./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd0c8f7b91fa815011541d5ffb41102d34132ba8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd0c8f7b91fa815011541d5ffb41102d34132ba8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:28:11,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:28:11,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:28:11,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:28:11,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:28:11,320 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:28:11,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:28:11,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:28:11,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:28:11,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:28:11,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:28:11,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:28:11,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:28:11,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:28:11,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:28:11,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:28:11,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:28:11,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:28:11,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:28:11,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:28:11,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:28:11,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:28:11,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:28:11,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:28:11,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:28:11,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:28:11,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:28:11,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:28:11,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:28:11,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:28:11,342 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:28:11,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:28:11,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:28:11,343 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:28:11,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:28:11,344 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:28:11,344 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:28:11,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:28:11,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:28:11,356 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:28:11,357 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:28:11,357 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:28:11,357 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:28:11,357 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:28:11,358 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:28:11,358 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:28:11,358 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:28:11,358 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:28:11,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:28:11,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:28:11,359 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:28:11,359 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:28:11,359 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:28:11,359 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:28:11,359 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:28:11,359 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:28:11,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:28:11,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:28:11,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:28:11,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:28:11,361 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_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer 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 -> Automizer 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 -> cd0c8f7b91fa815011541d5ffb41102d34132ba8 [2018-11-23 02:28:11,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:28:11,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:28:11,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:28:11,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:28:11,403 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:28:11,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 02:28:11,448 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/60ac808a2/3f00604f6f004a3ba8d02cc0a9d6ea54/FLAGb782febd3 [2018-11-23 02:28:11,798 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:28:11,799 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 02:28:11,804 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/60ac808a2/3f00604f6f004a3ba8d02cc0a9d6ea54/FLAGb782febd3 [2018-11-23 02:28:12,222 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/60ac808a2/3f00604f6f004a3ba8d02cc0a9d6ea54 [2018-11-23 02:28:12,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:28:12,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:28:12,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:28:12,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:28:12,232 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:28:12,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46704e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12, skipping insertion in model container [2018-11-23 02:28:12,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:28:12,260 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:28:12,398 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:28:12,400 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:28:12,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:28:12,439 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:28:12,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12 WrapperNode [2018-11-23 02:28:12,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:28:12,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:28:12,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:28:12,440 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:28:12,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:28:12,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:28:12,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:28:12,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:28:12,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... [2018-11-23 02:28:12,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:28:12,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:28:12,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:28:12,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:28:12,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:28:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:28:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:28:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 02:28:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 02:28:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2018-11-23 02:28:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2018-11-23 02:28:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:28:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:28:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 02:28:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:28:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:28:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:28:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:28:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 02:28:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 02:28:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:28:12,831 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:28:12,832 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 02:28:12,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:12 BoogieIcfgContainer [2018-11-23 02:28:12,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:28:12,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:28:12,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:28:12,838 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:28:12,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:12" (1/3) ... [2018-11-23 02:28:12,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f50e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:12, skipping insertion in model container [2018-11-23 02:28:12,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:12" (2/3) ... [2018-11-23 02:28:12,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f50e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:12, skipping insertion in model container [2018-11-23 02:28:12,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:12" (3/3) ... [2018-11-23 02:28:12,842 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232a_true-unreach-call.c [2018-11-23 02:28:12,854 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:28:12,862 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:28:12,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:28:12,912 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:28:12,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:28:12,913 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:28:12,913 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:28:12,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:28:12,913 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:28:12,913 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:28:12,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:28:12,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:28:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-11-23 02:28:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:28:12,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:12,935 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] [2018-11-23 02:28:12,937 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:12,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:12,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2127055292, now seen corresponding path program 1 times [2018-11-23 02:28:12,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:28:12,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:28:12,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:12,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:12,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:13,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:13,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:28:13,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:28:13,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:28:13,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:28:13,091 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-11-23 02:28:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:13,109 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2018-11-23 02:28:13,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:28:13,110 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 02:28:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:13,117 INFO L225 Difference]: With dead ends: 79 [2018-11-23 02:28:13,117 INFO L226 Difference]: Without dead ends: 40 [2018-11-23 02:28:13,119 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 [2018-11-23 02:28:13,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-23 02:28:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-23 02:28:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 02:28:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-11-23 02:28:13,150 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22 [2018-11-23 02:28:13,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:13,151 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2018-11-23 02:28:13,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:28:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2018-11-23 02:28:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 02:28:13,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:13,153 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] [2018-11-23 02:28:13,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:13,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:13,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1720731955, now seen corresponding path program 1 times [2018-11-23 02:28:13,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:28:13,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:28:13,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:13,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:13,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:13,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:28:13,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:28:13,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:28:13,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:13,238 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 4 states. [2018-11-23 02:28:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:13,265 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-11-23 02:28:13,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:28:13,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-11-23 02:28:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:13,267 INFO L225 Difference]: With dead ends: 59 [2018-11-23 02:28:13,268 INFO L226 Difference]: Without dead ends: 44 [2018-11-23 02:28:13,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-23 02:28:13,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-23 02:28:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 02:28:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-23 02:28:13,276 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2018-11-23 02:28:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:13,276 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-23 02:28:13,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:28:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-23 02:28:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 02:28:13,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:13,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:28:13,278 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:13,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:13,278 INFO L82 PathProgramCache]: Analyzing trace with hash 185784867, now seen corresponding path program 1 times [2018-11-23 02:28:13,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:28:13,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:28:13,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:13,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:13,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:13,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:28:13,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:28:13,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:28:13,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:13,349 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 4 states. [2018-11-23 02:28:13,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:13,394 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2018-11-23 02:28:13,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:28:13,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-11-23 02:28:13,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:13,396 INFO L225 Difference]: With dead ends: 63 [2018-11-23 02:28:13,396 INFO L226 Difference]: Without dead ends: 48 [2018-11-23 02:28:13,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-23 02:28:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-11-23 02:28:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 02:28:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-23 02:28:13,401 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2018-11-23 02:28:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:13,401 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-23 02:28:13,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:28:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-23 02:28:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 02:28:13,402 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:13,402 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] [2018-11-23 02:28:13,402 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:13,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:13,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1611166492, now seen corresponding path program 1 times [2018-11-23 02:28:13,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:28:13,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:28:13,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:13,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:28:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:28:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:28:13,460 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=4286578695, |#NULL.offset|=4286578690, |old(#NULL.base)|=4286578695, |old(#NULL.offset)|=4286578690] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=4286578695, |old(#NULL.offset)|=4286578690] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=4286578695, |old(#NULL.offset)|=4286578690] [?] RET #94#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret10 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] ~x~0 := 0.0;~y~0 := ~someUnaryFLOAToperation(0.0); VAL [main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |fmin_float_#in~x|=0.0, |fmin_float_#in~y|=4286578691.0] [?] ~x := #in~x;~y := #in~y; VAL [fmin_float_~x=0.0, fmin_float_~y=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |fmin_float_#in~x|=0.0, |fmin_float_#in~y|=4286578691.0] [?] CALL call #t~ret2 := __fpclassify_float(~x); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] ~x := #in~x;havoc ~w~0; VAL [__fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] goto; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0] [?] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0, |__fpclassify_float_#res|=0] [?] assume true; VAL [__fpclassify_float_~w~0=4286578689, __fpclassify_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__fpclassify_float_#in~x|=0.0, |__fpclassify_float_#res|=0] [?] RET #90#return; VAL [fmin_float_~x=0.0, fmin_float_~y=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |fmin_float_#in~x|=0.0, |fmin_float_#in~y|=4286578691.0, |fmin_float_#t~ret2|=0] [?] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [fmin_float_~x=0.0, fmin_float_~y=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |fmin_float_#in~x|=0.0, |fmin_float_#in~y|=4286578691.0, |fmin_float_#t~ret2|=0] [?] assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; VAL [fmin_float_~x=0.0, fmin_float_~y=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |fmin_float_#in~x|=0.0, |fmin_float_#in~y|=4286578691.0, |fmin_float_#res|=4286578691.0] [?] assume true; VAL [fmin_float_~x=0.0, fmin_float_~y=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |fmin_float_#in~x|=0.0, |fmin_float_#in~y|=4286578691.0, |fmin_float_#res|=4286578691.0] [?] RET #98#return; VAL [main_~x~0=0.0, main_~y~0=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=4286578691.0] [?] ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [main_~res~0=4286578691.0, main_~x~0=0.0, main_~y~0=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short9|=false] [?] assume !#t~short9; VAL [main_~res~0=4286578691.0, main_~x~0=0.0, main_~y~0=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short9|=false] [?] assume !#t~short9;havoc #t~ret8;havoc #t~short9; VAL [main_~res~0=4286578691.0, main_~x~0=0.0, main_~y~0=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0] [?] assume !false; VAL [main_~res~0=4286578691.0, main_~x~0=0.0, main_~y~0=4286578691.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=4286578695, #NULL.offset=4286578690, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578690] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578690] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578690] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0, ~x~0=0.0] [L66] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0] [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, ~x=0.0, ~y=4.286578691E9] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L16] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L17] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] ~w~0 := #t~mem0; [L18] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L16] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L21-L32] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L23-L32] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L26-L32] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L29-L32] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L32] #res := 0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L12-L33] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36-L37] assume 0 == #t~ret2; [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L35-L42] ensures true; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L66] RET call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] assume !#t~short9; VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69-L72] assume !#t~short9; [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L70] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=4286578695, #NULL.offset=4286578690, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578690] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578690] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=4286578695, old(#NULL.offset)=4286578690] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL.base=0, #NULL.offset=0, ~x~0=0.0] [L66] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0] [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, ~x=0.0, ~y=4.286578691E9] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~x=0.0] [L16] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L17] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] ~w~0 := #t~mem0; [L18] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L16] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L21-L32] assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L23-L32] assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L26-L32] assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~w~0=4286578689, ~x=0.0] [L29-L32] assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296); [L32] #res := 0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L12-L33] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36-L37] assume 0 == #t~ret2; [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L35-L42] ensures true; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL.base=0, #NULL.offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L66] RET call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] assume !#t~short9; VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69-L72] assume !#t~short9; [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L70] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578690, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L66] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0] [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.286578691E9] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] COND TRUE 0 == #t~ret2 [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L66] RET call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND TRUE !#t~short9 [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578690, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L66] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0] [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.286578691E9] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] COND TRUE 0 == #t~ret2 [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L66] RET call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND TRUE !#t~short9 [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578690, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L66] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0] [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.286578691E9] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] COND TRUE 0 == #t~ret2 [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L66] RET call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND TRUE !#t~short9 [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=4286578695, #NULL!offset=4286578690, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=4286578695, old(#NULL!offset)=4286578690] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L64] ~x~0 := 0.0; [L65] ~y~0 := ~someUnaryFLOAToperation(0.0); VAL [#NULL!base=0, #NULL!offset=0, ~x~0=0.0] [L66] CALL call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0] [L35-L42] ~x := #in~x; [L35-L42] ~y := #in~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, ~x=0.0, ~y=4.286578691E9] [L36] CALL call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0] [L12-L33] ~x := #in~x; [L13] havoc ~w~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~x=0.0] [L16] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L17] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] ~w~0 := #t~mem0; [L18] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L18] havoc #t~mem0; [L18] havoc #t~union1; [L16] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L16] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L21] COND FALSE !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L23-L24] COND FALSE !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L26-L27] COND FALSE !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)) VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~w~0=4286578689, ~x=0.0] [L29] COND FALSE !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296) [L32] #res := 0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, #res=0, ~w~0=4286578689, ~x=0.0] [L36] RET call #t~ret2 := __fpclassify_float(~x); VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #t~ret2=0, ~x=0.0, ~y=4.286578691E9] [L36] COND TRUE 0 == #t~ret2 [L36] havoc #t~ret2; [L37] #res := ~y; VAL [#in~x=0.0, #in~y=4.286578691E9, #NULL!base=0, #NULL!offset=0, #res=4.286578691E9, ~x=0.0, ~y=4.286578691E9] [L66] RET call #t~ret7 := fmin_float(~x~0, ~y~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L66] ~res~0 := #t~ret7; [L66] havoc #t~ret7; [L69] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L69] COND TRUE !#t~short9 [L69] havoc #t~ret8; [L69] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=4.286578691E9, ~x~0=0.0, ~y~0=4.286578691E9] [L64] float x = 0.0f; [L65] float y = -0.0f; VAL [x=0] [L66] CALL, EXPR fmin_float(x, y) VAL [\old(x)=0, \old(y)=4286578691] [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L13] __uint32_t w; VAL [\old(x)=0, x=0] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) VAL [\old(x)=0, w=4286578689, x=0] [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; VAL [\old(x)=0, \result=0, w=4286578689, x=0] [L36] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0, \old(y)=4286578691, __fpclassify_float(x)=0, x=0, y=4286578691] [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; VAL [\old(x)=0, \old(y)=4286578691, \result=4286578691, x=0, y=4286578691] [L66] RET, EXPR fmin_float(x, y) VAL [fmin_float(x, y)=4286578691, x=0, y=4286578691] [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=4286578691, res == -0.0f && __signbit_float(res) == 1=0, x=0, y=4286578691] [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() VAL [res=4286578691, x=0, y=4286578691] ----- [2018-11-23 02:28:13,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:28:13 BoogieIcfgContainer [2018-11-23 02:28:13,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:28:13,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:28:13,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:28:13,503 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:28:13,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:12" (3/4) ... [2018-11-23 02:28:13,507 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:28:13,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:28:13,508 INFO L168 Benchmark]: Toolchain (without parser) took 1281.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -106.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:13,509 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:13,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:13,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:13,510 INFO L168 Benchmark]: Boogie Preprocessor took 71.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:13,511 INFO L168 Benchmark]: RCFGBuilder took 292.74 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:13,512 INFO L168 Benchmark]: TraceAbstraction took 668.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:13,512 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:13,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292.74 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 668.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 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: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 65. Possible FailurePath: [L64] float x = 0.0f; [L65] float y = -0.0f; VAL [x=0] [L66] CALL, EXPR fmin_float(x, y) VAL [\old(x)=0, \old(y)=4286578691] [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L13] __uint32_t w; VAL [\old(x)=0, x=0] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) VAL [\old(x)=0, w=4286578689, x=0] [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; VAL [\old(x)=0, \result=0, w=4286578689, x=0] [L36] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0, \old(y)=4286578691, __fpclassify_float(x)=0, x=0, y=4286578691] [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; VAL [\old(x)=0, \old(y)=4286578691, \result=4286578691, x=0, y=4286578691] [L66] RET, EXPR fmin_float(x, y) VAL [fmin_float(x, y)=4286578691, x=0, y=4286578691] [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=4286578691, res == -0.0f && __signbit_float(res) == 1=0, x=0, y=4286578691] [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() VAL [res=4286578691, x=0, y=4286578691] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 144 SDtfs, 0 SDslu, 172 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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-aa41828 [2018-11-23 02:28:15,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:28:15,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:28:15,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:28:15,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:28:15,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:28:15,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:28:15,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:28:15,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:28:15,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:28:15,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:28:15,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:28:15,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:28:15,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:28:15,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:28:15,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:28:15,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:28:15,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:28:15,221 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:28:15,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:28:15,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:28:15,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:28:15,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:28:15,227 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:28:15,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:28:15,228 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:28:15,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:28:15,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:28:15,230 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:28:15,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:28:15,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:28:15,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:28:15,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:28:15,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:28:15,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:28:15,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:28:15,234 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 02:28:15,247 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:28:15,247 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:28:15,248 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:28:15,248 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:28:15,249 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:28:15,249 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:28:15,249 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:28:15,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:28:15,249 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:28:15,249 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:28:15,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:28:15,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:28:15,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:28:15,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:28:15,250 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:28:15,250 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:28:15,251 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:28:15,251 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:28:15,251 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:28:15,251 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:28:15,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:28:15,251 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:28:15,251 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:28:15,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:28:15,252 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:28:15,253 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:28:15,253 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_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer 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 -> Automizer 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 -> cd0c8f7b91fa815011541d5ffb41102d34132ba8 [2018-11-23 02:28:15,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:28:15,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:28:15,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:28:15,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:28:15,301 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:28:15,301 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 02:28:15,345 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/0e6916a86/c189760ef2234b7aa26eaa6d180f6603/FLAG7dbb66d96 [2018-11-23 02:28:15,704 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:28:15,704 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/sv-benchmarks/c/float-newlib/float_req_bl_1232a_true-unreach-call.c [2018-11-23 02:28:15,709 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/0e6916a86/c189760ef2234b7aa26eaa6d180f6603/FLAG7dbb66d96 [2018-11-23 02:28:15,720 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/data/0e6916a86/c189760ef2234b7aa26eaa6d180f6603 [2018-11-23 02:28:15,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:28:15,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:28:15,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:28:15,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:28:15,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:28:15,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:15,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15, skipping insertion in model container [2018-11-23 02:28:15,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:15,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:28:15,756 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:28:15,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:28:15,933 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:28:15,958 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:28:15,983 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:28:15,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15 WrapperNode [2018-11-23 02:28:15,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:28:15,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:28:15,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:28:15,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:28:15,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:28:16,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:28:16,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:28:16,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:28:16,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... [2018-11-23 02:28:16,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:28:16,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:28:16,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:28:16,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:28:16,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:28:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:28:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:28:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-23 02:28:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-23 02:28:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2018-11-23 02:28:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2018-11-23 02:28:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:28:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:28:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:28:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:28:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:28:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:28:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 02:28:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 02:28:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 02:28:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:28:16,375 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 02:28:16,411 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 02:28:16,415 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:28:16,415 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 02:28:16,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:16 BoogieIcfgContainer [2018-11-23 02:28:16,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:28:16,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:28:16,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:28:16,419 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:28:16,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:15" (1/3) ... [2018-11-23 02:28:16,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6d468b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:16, skipping insertion in model container [2018-11-23 02:28:16,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:15" (2/3) ... [2018-11-23 02:28:16,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6d468b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:16, skipping insertion in model container [2018-11-23 02:28:16,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:16" (3/3) ... [2018-11-23 02:28:16,422 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232a_true-unreach-call.c [2018-11-23 02:28:16,430 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:28:16,435 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:28:16,446 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:28:16,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:28:16,469 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:28:16,470 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:28:16,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:28:16,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:28:16,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:28:16,470 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:28:16,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:28:16,470 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:28:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-23 02:28:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 02:28:16,487 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:16,488 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] [2018-11-23 02:28:16,489 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:16,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:16,494 INFO L82 PathProgramCache]: Analyzing trace with hash 148552213, now seen corresponding path program 1 times [2018-11-23 02:28:16,497 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:16,497 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:16,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:16,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:16,580 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:16,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:16,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:28:16,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:28:16,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:28:16,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:28:16,606 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-11-23 02:28:16,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:16,624 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2018-11-23 02:28:16,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:28:16,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 02:28:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:16,633 INFO L225 Difference]: With dead ends: 75 [2018-11-23 02:28:16,633 INFO L226 Difference]: Without dead ends: 38 [2018-11-23 02:28:16,636 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 [2018-11-23 02:28:16,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-23 02:28:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-23 02:28:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-23 02:28:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-11-23 02:28:16,677 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 21 [2018-11-23 02:28:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:16,677 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-11-23 02:28:16,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:28:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-11-23 02:28:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:28:16,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:16,680 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] [2018-11-23 02:28:16,680 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:16,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:16,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1171864516, now seen corresponding path program 1 times [2018-11-23 02:28:16,681 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:16,681 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:16,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:16,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:16,773 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:16,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:16,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:28:16,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:28:16,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:28:16,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:16,788 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 4 states. [2018-11-23 02:28:16,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:16,826 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-11-23 02:28:16,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:28:16,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 02:28:16,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:16,829 INFO L225 Difference]: With dead ends: 56 [2018-11-23 02:28:16,829 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 02:28:16,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:16,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 02:28:16,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 02:28:16,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 02:28:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-11-23 02:28:16,840 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 22 [2018-11-23 02:28:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:16,840 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-11-23 02:28:16,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:28:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-23 02:28:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 02:28:16,841 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:16,841 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] [2018-11-23 02:28:16,841 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:16,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:16,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1456590866, now seen corresponding path program 1 times [2018-11-23 02:28:16,842 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:16,843 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:16,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:16,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:16,999 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:17,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:17,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 02:28:17,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:28:17,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:28:17,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:28:17,008 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 8 states. [2018-11-23 02:28:17,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:17,731 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2018-11-23 02:28:17,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:28:17,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-23 02:28:17,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:17,733 INFO L225 Difference]: With dead ends: 60 [2018-11-23 02:28:17,733 INFO L226 Difference]: Without dead ends: 40 [2018-11-23 02:28:17,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:28:17,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-23 02:28:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-23 02:28:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 02:28:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-11-23 02:28:17,738 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 23 [2018-11-23 02:28:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:17,739 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2018-11-23 02:28:17,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:28:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2018-11-23 02:28:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 02:28:17,740 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:17,740 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:28:17,740 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:17,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:17,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1971562729, now seen corresponding path program 1 times [2018-11-23 02:28:17,741 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:17,741 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:17,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:17,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:28:17,799 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:17,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:17,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:28:17,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:28:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:28:17,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:17,808 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 4 states. [2018-11-23 02:28:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:17,828 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-23 02:28:17,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:28:17,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-23 02:28:17,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:17,829 INFO L225 Difference]: With dead ends: 56 [2018-11-23 02:28:17,829 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 02:28:17,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:28:17,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 02:28:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 02:28:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 02:28:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2018-11-23 02:28:17,836 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 30 [2018-11-23 02:28:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:17,836 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2018-11-23 02:28:17,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:28:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2018-11-23 02:28:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 02:28:17,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:17,837 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:28:17,838 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:17,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:17,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1323623109, now seen corresponding path program 1 times [2018-11-23 02:28:17,838 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:17,838 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:17,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:17,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 02:28:18,025 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:18,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:18,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 02:28:18,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:28:18,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:28:18,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:28:18,035 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 8 states. [2018-11-23 02:28:18,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:18,362 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-11-23 02:28:18,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:28:18,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-11-23 02:28:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:18,363 INFO L225 Difference]: With dead ends: 58 [2018-11-23 02:28:18,363 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 02:28:18,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:28:18,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 02:28:18,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 02:28:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 02:28:18,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-11-23 02:28:18,367 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 31 [2018-11-23 02:28:18,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:18,368 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-11-23 02:28:18,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:28:18,368 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-11-23 02:28:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 02:28:18,369 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:18,369 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:28:18,369 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:18,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:18,370 INFO L82 PathProgramCache]: Analyzing trace with hash 207693948, now seen corresponding path program 1 times [2018-11-23 02:28:18,370 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:18,370 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:18,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:18,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:18,474 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:18,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:18,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:28:18,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:28:18,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:28:18,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:28:18,484 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-11-23 02:28:18,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:18,554 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2018-11-23 02:28:18,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:28:18,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 02:28:18,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:18,556 INFO L225 Difference]: With dead ends: 51 [2018-11-23 02:28:18,556 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 02:28:18,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:28:18,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 02:28:18,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 02:28:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 02:28:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-11-23 02:28:18,561 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2018-11-23 02:28:18,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:18,562 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-11-23 02:28:18,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:28:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-11-23 02:28:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 02:28:18,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:18,563 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:28:18,563 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:18,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:18,564 INFO L82 PathProgramCache]: Analyzing trace with hash -601652678, now seen corresponding path program 1 times [2018-11-23 02:28:18,564 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:18,564 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:18,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:18,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:18,669 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:18,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:18,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 02:28:18,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:28:18,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:28:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:28:18,679 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 8 states. [2018-11-23 02:28:18,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:18,864 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-11-23 02:28:18,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:28:18,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-23 02:28:18,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:18,865 INFO L225 Difference]: With dead ends: 38 [2018-11-23 02:28:18,865 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 02:28:18,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:28:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 02:28:18,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 02:28:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 02:28:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-11-23 02:28:18,871 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-11-23 02:28:18,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:18,871 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-11-23 02:28:18,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:28:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-11-23 02:28:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 02:28:18,872 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:28:18,872 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:28:18,873 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:28:18,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash -193082209, now seen corresponding path program 1 times [2018-11-23 02:28:18,873 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:28:18,873 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-23 02:28:18,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:28:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:18,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:28:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:19,149 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:28:19,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:28:19,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-23 02:28:19,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 02:28:19,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 02:28:19,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:28:19,165 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 13 states. [2018-11-23 02:28:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:28:19,570 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-11-23 02:28:19,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:28:19,571 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2018-11-23 02:28:19,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:28:19,571 INFO L225 Difference]: With dead ends: 35 [2018-11-23 02:28:19,571 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:28:19,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:28:19,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:28:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:28:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:28:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:28:19,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-11-23 02:28:19,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:28:19,573 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:28:19,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 02:28:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:28:19,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:28:19,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:28:19,726 INFO L451 ceAbstractionStarter]: At program point fmin_floatENTRY(lines 35 42) the Hoare annotation is: true [2018-11-23 02:28:19,726 INFO L448 ceAbstractionStarter]: For program point fmin_floatEXIT(lines 35 42) no Hoare annotation was computed. [2018-11-23 02:28:19,726 INFO L448 ceAbstractionStarter]: For program point fmin_floatFINAL(lines 35 42) no Hoare annotation was computed. [2018-11-23 02:28:19,726 INFO L448 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-23 02:28:19,726 INFO L448 ceAbstractionStarter]: For program point L41-2(line 41) no Hoare annotation was computed. [2018-11-23 02:28:19,727 INFO L444 ceAbstractionStarter]: At program point L38(line 38) the Hoare annotation is: (let ((.cse0 (= fmin_float_~x |fmin_float_#in~x|))) (or (and .cse0 (exists ((__fpclassify_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __fpclassify_float_~w~0) ((_ extract 30 23) __fpclassify_float_~w~0) ((_ extract 22 0) __fpclassify_float_~w~0)) |fmin_float_#in~x|) (not (= __fpclassify_float_~w~0 (_ bv0 32)))))) (and .cse0 (= fmin_float_~y |fmin_float_#in~y|)))) [2018-11-23 02:28:19,727 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 38 39) no Hoare annotation was computed. [2018-11-23 02:28:19,727 INFO L444 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (and (= fmin_float_~x |fmin_float_#in~x|) (= fmin_float_~y |fmin_float_#in~y|)) [2018-11-23 02:28:19,727 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-23 02:28:19,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:28:19,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:28:19,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:28:19,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:28:19,727 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 02:28:19,728 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point L69-4(lines 69 72) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 56 75) the Hoare annotation is: true [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 56 75) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 56 75) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-23 02:28:19,728 INFO L444 ceAbstractionStarter]: At program point L69-1(line 69) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (_ +zero 8 24) main_~x~0) (= main_~res~0 .cse0) |main_#t~short9| (= main_~y~0 .cse0))) [2018-11-23 02:28:19,728 INFO L448 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (and (= (_ +zero 8 24) main_~x~0) (= main_~y~0 (fp.neg (_ +zero 8 24)))) [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 32) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point __fpclassify_floatFINAL(lines 12 33) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 32) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= __fpclassify_float_~x |__fpclassify_float_#in~x|) [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 12 33) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L451 ceAbstractionStarter]: At program point __fpclassify_floatENTRY(lines 12 33) the Hoare annotation is: true [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point __fpclassify_floatEXIT(lines 12 33) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 44 54) no Hoare annotation was computed. [2018-11-23 02:28:19,729 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 44 54) the Hoare annotation is: true [2018-11-23 02:28:19,729 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 47 51) no Hoare annotation was computed. [2018-11-23 02:28:19,730 INFO L444 ceAbstractionStarter]: At program point L47-2(lines 47 51) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-23 02:28:19,730 INFO L448 ceAbstractionStarter]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2018-11-23 02:28:19,730 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 44 54) no Hoare annotation was computed. [2018-11-23 02:28:19,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:28:19 BoogieIcfgContainer [2018-11-23 02:28:19,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:28:19,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:28:19,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:28:19,741 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:28:19,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:16" (3/4) ... [2018-11-23 02:28:19,744 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:28:19,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fmin_float [2018-11-23 02:28:19,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:28:19,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:28:19,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-23 02:28:19,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-23 02:28:19,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 02:28:19,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 02:28:19,753 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:28:19,775 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 02:28:19,775 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 02:28:19,797 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b355243-bfb5-4314-88e5-b03f8a2d44df/bin-2019/uautomizer/witness.graphml [2018-11-23 02:28:19,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:28:19,798 INFO L168 Benchmark]: Toolchain (without parser) took 4076.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 949.7 MB in the beginning and 832.3 MB in the end (delta: 117.4 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:19,800 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:19,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.75 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:19,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:19,801 INFO L168 Benchmark]: Boogie Preprocessor took 34.41 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:19,801 INFO L168 Benchmark]: RCFGBuilder took 369.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:19,802 INFO L168 Benchmark]: TraceAbstraction took 3323.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 832.3 MB in the end (delta: 264.8 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:28:19,802 INFO L168 Benchmark]: Witness Printer took 57.36 ms. Allocated memory is still 1.2 GB. Free memory is still 832.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:28:19,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.75 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 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 26.64 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.41 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 369.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3323.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 832.3 MB in the end (delta: 264.8 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. * Witness Printer took 57.36 ms. Allocated memory is still 1.2 GB. Free memory is still 832.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 70]: 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: 15]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 42 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 296 SDtfs, 121 SDslu, 975 SDs, 0 SdLazy, 365 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 31 PreInvPairs, 38 NumberOfFragments, 68 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 223 ConstructedInterpolants, 14 QuantifiedInterpolants, 20350 SizeOfPredicates, 21 NumberOfNonLiveVariables, 624 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...