./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/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 183c064a530646119ada233c15fa830a0c2bc1a1 ................................................................................................................................................................................................................................................................................................................................. 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_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/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 183c064a530646119ada233c15fa830a0c2bc1a1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:25:05,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:25:05,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:25:05,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:25:05,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:25:05,240 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:25:05,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:25:05,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:25:05,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:25:05,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:25:05,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:25:05,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:25:05,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:25:05,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:25:05,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:25:05,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:25:05,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:25:05,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:25:05,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:25:05,251 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:25:05,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:25:05,252 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:25:05,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:25:05,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:25:05,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:25:05,255 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:25:05,256 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:25:05,256 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:25:05,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:25:05,257 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:25:05,257 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:25:05,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:25:05,258 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:25:05,258 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:25:05,258 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:25:05,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:25:05,259 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:25:05,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:25:05,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:25:05,267 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:25:05,267 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:25:05,268 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:25:05,268 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:25:05,268 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:25:05,268 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:25:05,268 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:25:05,268 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:25:05,268 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:25:05,269 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:25:05,269 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:25:05,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:25:05,269 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:25:05,270 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:25:05,271 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:25:05,271 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:25:05,271 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:25:05,271 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:25:05,271 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:25:05,271 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:25:05,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:25:05,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:25:05,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:25:05,272 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:25:05,272 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:25:05,272 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:25:05,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:25:05,272 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:25:05,273 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_7032e784-4a8a-4798-8fc7-3836dc895c3e/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-12-09 15:25:05,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:25:05,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:25:05,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:25:05,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:25:05,304 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:25:05,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-09 15:25:05,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/e5d75794e/37a4004b09ca44b48818e84fbe3d76cc/FLAG1c5e914b4 [2018-12-09 15:25:05,754 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:25:05,754 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-09 15:25:05,758 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/e5d75794e/37a4004b09ca44b48818e84fbe3d76cc/FLAG1c5e914b4 [2018-12-09 15:25:05,766 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/e5d75794e/37a4004b09ca44b48818e84fbe3d76cc [2018-12-09 15:25:05,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:25:05,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:25:05,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:25:05,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:25:05,771 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:25:05,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651df91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05, skipping insertion in model container [2018-12-09 15:25:05,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:25:05,788 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:25:05,888 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:25:05,890 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:25:05,912 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:25:05,955 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:25:05,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05 WrapperNode [2018-12-09 15:25:05,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:25:05,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:25:05,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:25:05,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:25:05,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:25:05,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:25:05,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:25:05,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:25:05,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... [2018-12-09 15:25:05,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:25:05,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:25:05,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:25:05,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:25:05,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:25:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 15:25:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 15:25:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 15:25:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 15:25:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:25:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:25:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 15:25:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 15:25:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:25:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:25:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 15:25:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:25:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:25:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:25:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 15:25:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:25:06,201 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:25:06,201 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 15:25:06,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:25:06 BoogieIcfgContainer [2018-12-09 15:25:06,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:25:06,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:25:06,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:25:06,204 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:25:06,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:25:05" (1/3) ... [2018-12-09 15:25:06,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7417ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:25:06, skipping insertion in model container [2018-12-09 15:25:06,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:05" (2/3) ... [2018-12-09 15:25:06,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7417ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:25:06, skipping insertion in model container [2018-12-09 15:25:06,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:25:06" (3/3) ... [2018-12-09 15:25:06,206 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-12-09 15:25:06,212 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:25:06,216 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:25:06,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:25:06,245 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:25:06,245 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:25:06,246 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:25:06,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:25:06,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:25:06,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:25:06,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:25:06,246 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:25:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-09 15:25:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:25:06,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:25:06,260 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:25:06,261 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:25:06,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:25:06,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2053347257, now seen corresponding path program 1 times [2018-12-09 15:25:06,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:25:06,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:25:06,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:25:06,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:25:06,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:25:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:25:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:25:06,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:25:06,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:25:06,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:25:06,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:25:06,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:25:06,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:25:06,363 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-09 15:25:06,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:25:06,375 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2018-12-09 15:25:06,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:25:06,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 15:25:06,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:25:06,382 INFO L225 Difference]: With dead ends: 76 [2018-12-09 15:25:06,382 INFO L226 Difference]: Without dead ends: 38 [2018-12-09 15:25:06,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:25:06,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-09 15:25:06,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-09 15:25:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-09 15:25:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2018-12-09 15:25:06,407 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 22 [2018-12-09 15:25:06,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:25:06,408 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2018-12-09 15:25:06,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:25:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-12-09 15:25:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:25:06,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:25:06,409 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:25:06,409 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:25:06,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:25:06,409 INFO L82 PathProgramCache]: Analyzing trace with hash 435849502, now seen corresponding path program 1 times [2018-12-09 15:25:06,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:25:06,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:25:06,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:25:06,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:25:06,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:25:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:25:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:25:06,481 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 15:25:06,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:25:06 BoogieIcfgContainer [2018-12-09 15:25:06,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:25:06,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:25:06,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:25:06,511 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:25:06,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:25:06" (3/4) ... [2018-12-09 15:25:06,514 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 15:25:06,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:25:06,515 INFO L168 Benchmark]: Toolchain (without parser) took 747.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:25:06,516 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. [2018-12-09 15:25:06,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:25:06,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:25:06,517 INFO L168 Benchmark]: Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:25:06,517 INFO L168 Benchmark]: RCFGBuilder took 207.69 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:25:06,518 INFO L168 Benchmark]: TraceAbstraction took 308.71 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:25:06,518 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:25:06,520 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 187.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 207.69 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 308.71 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6442450962, \old(Lg2_log)=6442450966, \old(Lg3_log)=6442450947, \old(Lg4_log)=6442450950, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450959, \old(Lg7_log)=6442450956, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450953, \old(two54_log)=6442450960, \old(zero)=6442450963, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double x = 0.0 / 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6442450965, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [\old(x)=6442450965, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483668, two54_log=18014398509481984, x=6442450965, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450965, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483668, two54_log=18014398509481984, x=6442450965, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=6442450965, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483668, two54_log=18014398509481984, x=6442450965, zero=0] [L136] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450965, zero=0] [L136] double res = __ieee754_log(x); [L139] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L127] return x != x; VAL [\old(x)=6442450951, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L139] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450965, zero=0] [L139] COND TRUE !isnan_double(res) [L140] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450965, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 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=42occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:25:07,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:25:07,802 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:25:07,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:25:07,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:25:07,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:25:07,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:25:07,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:25:07,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:25:07,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:25:07,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:25:07,814 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:25:07,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:25:07,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:25:07,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:25:07,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:25:07,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:25:07,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:25:07,820 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:25:07,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:25:07,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:25:07,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:25:07,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:25:07,824 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:25:07,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:25:07,825 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:25:07,826 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:25:07,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:25:07,827 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:25:07,828 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:25:07,828 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:25:07,828 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:25:07,828 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:25:07,828 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:25:07,829 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:25:07,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:25:07,830 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 15:25:07,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:25:07,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:25:07,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:25:07,841 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:25:07,841 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:25:07,841 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:25:07,841 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:25:07,841 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:25:07,841 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:25:07,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:25:07,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:25:07,842 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:25:07,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:25:07,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:25:07,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:25:07,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:25:07,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:25:07,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:25:07,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:25:07,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 15:25:07,844 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 15:25:07,844 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_7032e784-4a8a-4798-8fc7-3836dc895c3e/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-12-09 15:25:07,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:25:07,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:25:07,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:25:07,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:25:07,877 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:25:07,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-09 15:25:07,912 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/9be7f016c/939fccdb2db44b68ac8b879ed8bd16f6/FLAGd7b752e98 [2018-12-09 15:25:08,316 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:25:08,316 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/sv-benchmarks/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-09 15:25:08,320 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/9be7f016c/939fccdb2db44b68ac8b879ed8bd16f6/FLAGd7b752e98 [2018-12-09 15:25:08,328 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/data/9be7f016c/939fccdb2db44b68ac8b879ed8bd16f6 [2018-12-09 15:25:08,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:25:08,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:25:08,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:25:08,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:25:08,333 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:25:08,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08, skipping insertion in model container [2018-12-09 15:25:08,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:25:08,351 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:25:08,456 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:25:08,459 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:25:08,486 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:25:08,502 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:25:08,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08 WrapperNode [2018-12-09 15:25:08,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:25:08,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:25:08,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:25:08,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:25:08,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:25:08,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:25:08,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:25:08,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:25:08,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... [2018-12-09 15:25:08,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:25:08,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:25:08,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:25:08,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:25:08,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 15:25:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 15:25:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:25:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:25:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:25:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 15:25:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:25:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:25:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 15:25:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:25:12,885 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:25:31,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:25:31,717 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:25:31,820 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:25:31,820 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 15:25:31,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:25:31 BoogieIcfgContainer [2018-12-09 15:25:31,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:25:31,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:25:31,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:25:31,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:25:31,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:25:08" (1/3) ... [2018-12-09 15:25:31,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b22f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:25:31, skipping insertion in model container [2018-12-09 15:25:31,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:25:08" (2/3) ... [2018-12-09 15:25:31,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b22f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:25:31, skipping insertion in model container [2018-12-09 15:25:31,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:25:31" (3/3) ... [2018-12-09 15:25:31,824 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-12-09 15:25:31,830 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:25:31,834 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:25:31,842 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:25:31,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:25:31,859 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:25:31,859 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:25:31,860 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:25:31,860 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:25:31,860 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:25:31,860 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:25:31,860 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:25:31,860 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:25:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-12-09 15:25:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 15:25:31,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:25:31,873 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:25:31,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:25:31,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:25:31,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2044717819, now seen corresponding path program 1 times [2018-12-09 15:25:31,880 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:25:31,880 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 15:25:31,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:25:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:25:32,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:25:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:25:32,576 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:25:32,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:25:32,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:25:32,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:25:32,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:25:32,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:25:32,604 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-12-09 15:25:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:25:32,617 INFO L93 Difference]: Finished difference Result 74 states and 108 transitions. [2018-12-09 15:25:32,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:25:32,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 15:25:32,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:25:32,624 INFO L225 Difference]: With dead ends: 74 [2018-12-09 15:25:32,624 INFO L226 Difference]: Without dead ends: 37 [2018-12-09 15:25:32,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:25:32,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-09 15:25:32,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-09 15:25:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 15:25:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2018-12-09 15:25:32,648 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 21 [2018-12-09 15:25:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:25:32,649 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2018-12-09 15:25:32,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:25:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2018-12-09 15:25:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:25:32,649 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:25:32,649 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:25:32,650 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:25:32,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:25:32,650 INFO L82 PathProgramCache]: Analyzing trace with hash -692382008, now seen corresponding path program 1 times [2018-12-09 15:25:32,650 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:25:32,650 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 15:25:32,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:25:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:25:33,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:25:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:25:33,436 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:25:33,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:25:33,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:25:33,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:25:33,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:25:33,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:25:33,453 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 6 states. [2018-12-09 15:25:42,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:25:42,946 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-12-09 15:25:42,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:25:42,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-09 15:25:42,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:25:42,950 INFO L225 Difference]: With dead ends: 51 [2018-12-09 15:25:42,950 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 15:25:42,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:25:42,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 15:25:42,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2018-12-09 15:25:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 15:25:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2018-12-09 15:25:42,956 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 22 [2018-12-09 15:25:42,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:25:42,956 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2018-12-09 15:25:42,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:25:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2018-12-09 15:25:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:25:42,957 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:25:42,957 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:25:42,957 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:25:42,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:25:42,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1795449561, now seen corresponding path program 1 times [2018-12-09 15:25:42,958 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:25:42,958 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 15:25:42,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:25:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:25:43,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:25:43,429 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-12-09 15:25:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:25:43,887 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:25:43,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:25:43,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:25:43,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:25:43,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:25:43,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:25:43,901 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 9 states. [2018-12-09 15:25:45,271 WARN L180 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 15:26:05,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:26:05,539 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-12-09 15:26:05,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:26:05,540 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-09 15:26:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:26:05,540 INFO L225 Difference]: With dead ends: 48 [2018-12-09 15:26:05,540 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 15:26:05,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:26:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 15:26:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-12-09 15:26:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-09 15:26:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2018-12-09 15:26:05,546 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 22 [2018-12-09 15:26:05,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:26:05,546 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2018-12-09 15:26:05,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:26:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2018-12-09 15:26:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:26:05,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:26:05,547 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:26:05,547 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:26:05,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:26:05,547 INFO L82 PathProgramCache]: Analyzing trace with hash 649234454, now seen corresponding path program 1 times [2018-12-09 15:26:05,547 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:26:05,547 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 15:26:05,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:26:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:26:06,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:26:08,606 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log_#in~x| |c___ieee754_log_#in~x|) c_~zero~0) |c___ieee754_log_#res|) (= (_ +zero 11 53) c_~zero~0)) is different from true [2018-12-09 15:26:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:26:08,697 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:26:08,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:26:08,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 15:26:08,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 15:26:08,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 15:26:08,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-12-09 15:26:08,712 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand 10 states. [2018-12-09 15:26:14,014 WARN L180 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 12 [2018-12-09 15:26:17,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:26:17,681 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2018-12-09 15:26:17,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 15:26:17,682 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-12-09 15:26:17,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:26:17,682 INFO L225 Difference]: With dead ends: 48 [2018-12-09 15:26:17,682 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 15:26:17,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=44, Invalid=141, Unknown=1, NotChecked=24, Total=210 [2018-12-09 15:26:17,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 15:26:17,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-12-09 15:26:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-09 15:26:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-12-09 15:26:17,688 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 23 [2018-12-09 15:26:17,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:26:17,688 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-12-09 15:26:17,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 15:26:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-12-09 15:26:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 15:26:17,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:26:17,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:26:17,690 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:26:17,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:26:17,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1189901543, now seen corresponding path program 1 times [2018-12-09 15:26:17,690 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:26:17,690 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 15:26:17,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:26:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:26:17,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:26:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:26:18,055 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:26:18,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:26:18,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:26:18,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:26:18,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:26:18,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:26:18,066 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 7 states. [2018-12-09 15:26:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:26:26,552 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2018-12-09 15:26:26,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:26:26,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-09 15:26:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:26:26,554 INFO L225 Difference]: With dead ends: 58 [2018-12-09 15:26:26,554 INFO L226 Difference]: Without dead ends: 33 [2018-12-09 15:26:26,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:26:26,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-09 15:26:26,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-09 15:26:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-09 15:26:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2018-12-09 15:26:26,558 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 26 [2018-12-09 15:26:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:26:26,558 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2018-12-09 15:26:26,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:26:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-12-09 15:26:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 15:26:26,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:26:26,559 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:26:26,560 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:26:26,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:26:26,560 INFO L82 PathProgramCache]: Analyzing trace with hash 582190639, now seen corresponding path program 1 times [2018-12-09 15:26:26,560 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:26:26,560 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 15:26:26,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:26:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:26:29,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:26:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:26:29,983 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:26:30,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:26:30,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:26:30,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:26:30,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:26:30,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:26:30,027 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 7 states. [2018-12-09 15:26:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:26:36,068 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-12-09 15:26:36,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:26:36,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 15:26:36,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:26:36,069 INFO L225 Difference]: With dead ends: 33 [2018-12-09 15:26:36,069 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:26:36,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:26:36,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:26:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:26:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:26:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:26:36,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-12-09 15:26:36,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:26:36,070 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:26:36,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:26:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:26:36,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:26:36,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:26:36,340 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 127) the Hoare annotation is: true [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 127) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 127) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-09 15:26:36,341 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((v_prenex_8 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_8))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (not (bvslt .cse0 (_ bv0 32)))))) (exists ((v_prenex_7 (_ BitVec 64))) (and (= __ieee754_log_~hx~1 ((_ extract 63 32) v_prenex_7)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))))) [2018-12-09 15:26:36,341 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-09 15:26:36,342 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (exists ((v_prenex_8 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_8))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (not (bvslt .cse0 (_ bv0 32)))))) (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_9 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_prenex_9))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge .cse1 (_ bv2146435072 32))) (not (bvslt .cse1 (_ bv1048576 32)))))))) [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-12-09 15:26:36,343 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 129 145) the Hoare annotation is: true [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 129 145) no Hoare annotation was computed. [2018-12-09 15:26:36,343 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-09 15:26:36,344 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53)) main_~res~0)))) [2018-12-09 15:26:36,344 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 139 142) no Hoare annotation was computed. [2018-12-09 15:26:36,344 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 129 145) no Hoare annotation was computed. [2018-12-09 15:26:36,344 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) [2018-12-09 15:26:36,344 INFO L448 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-12-09 15:26:36,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,356 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:26:36 BoogieIcfgContainer [2018-12-09 15:26:36,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:26:36,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:26:36,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:26:36,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:26:36,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:25:31" (3/4) ... [2018-12-09 15:26:36,364 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:26:36,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 15:26:36,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:26:36,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-09 15:26:36,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:26:36,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-12-09 15:26:36,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-09 15:26:36,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 15:26:36,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:26:36,393 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 15:26:36,394 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32)) && (\exists v_prenex_7 : bv64 :: hx == v_prenex_7[63:32] && \old(x) == ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]))) [2018-12-09 15:26:36,394 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32))) || (x == \old(x) && (\exists v_prenex_9 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(v_prenex_9[63:32], 2146435072bv32)) && !~bvslt32(v_prenex_9[63:32], 1048576bv32))) [2018-12-09 15:26:36,415 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7032e784-4a8a-4798-8fc7-3836dc895c3e/bin-2019/utaipan/witness.graphml [2018-12-09 15:26:36,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:26:36,416 INFO L168 Benchmark]: Toolchain (without parser) took 88085.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 836.4 MB in the end (delta: 108.3 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:26:36,416 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:26:36,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.92 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:26:36,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.89 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:26:36,417 INFO L168 Benchmark]: Boogie Preprocessor took 57.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:26:36,417 INFO L168 Benchmark]: RCFGBuilder took 23242.78 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:26:36,417 INFO L168 Benchmark]: TraceAbstraction took 64540.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 843.2 MB in the end (delta: 245.9 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:26:36,418 INFO L168 Benchmark]: Witness Printer took 53.75 ms. Allocated memory is still 1.2 GB. Free memory was 843.2 MB in the beginning and 836.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:26:36,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.92 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 16.89 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 23242.78 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 64540.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 843.2 MB in the end (delta: 245.9 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. * Witness Printer took 53.75 ms. Allocated memory is still 1.2 GB. Free memory was 843.2 MB in the beginning and 836.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 76]: Loop Invariant [2018-12-09 15:26:36,421 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,422 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 15:26:36,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32))) || (x == \old(x) && (\exists v_prenex_9 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(v_prenex_9[63:32], 2146435072bv32)) && !~bvslt32(v_prenex_9[63:32], 1048576bv32))) - InvariantResult [Line: 65]: Loop Invariant [2018-12-09 15:26:36,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-09 15:26:36,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-12-09 15:26:36,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_prenex_8 : bv64 :: (~bvslt32(v_prenex_8[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0])) && !~bvslt32(v_prenex_8[63:32], 0bv32)) && (\exists v_prenex_7 : bv64 :: hx == v_prenex_7[63:32] && \old(x) == ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 64.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 54.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 244 SDtfs, 116 SDslu, 876 SDs, 0 SdLazy, 277 SolverSat, 15 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 45.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 145 HoareAnnotationTreeSize, 16 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 136 ConstructedInterpolants, 28 QuantifiedInterpolants, 20744 SizeOfPredicates, 18 NumberOfNonLiveVariables, 599 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...