./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ........................................................................................................................................................................................................................................................................................................................... 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_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:30:39,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:30:39,371 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:30:39,377 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:30:39,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:30:39,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:30:39,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:30:39,379 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:30:39,380 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:30:39,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:30:39,381 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:30:39,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:30:39,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:30:39,382 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:30:39,383 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:30:39,383 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:30:39,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:30:39,385 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:30:39,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:30:39,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:30:39,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:30:39,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:30:39,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:30:39,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:30:39,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:30:39,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:30:39,390 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:30:39,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:30:39,391 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:30:39,391 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:30:39,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:30:39,392 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:30:39,392 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:30:39,392 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:30:39,393 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:30:39,393 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:30:39,393 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:30:39,400 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:30:39,400 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:30:39,401 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:30:39,401 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:30:39,401 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:30:39,401 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:30:39,401 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:30:39,401 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:30:39,402 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:30:39,402 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:30:39,402 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:30:39,402 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:30:39,402 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:30:39,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:30:39,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:30:39,404 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:30:39,404 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:30:39,404 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:30:39,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:30:39,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:30:39,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:30:39,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:39,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:30:39,405 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2018-12-09 19:30:39,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:30:39,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:30:39,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:30:39,435 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:30:39,435 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:30:39,436 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-09 19:30:39,478 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/0a83006a4/2236fb35a187488ebd9648085d03da51/FLAGbc93d48d4 [2018-12-09 19:30:39,872 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:30:39,873 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-09 19:30:39,877 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/0a83006a4/2236fb35a187488ebd9648085d03da51/FLAGbc93d48d4 [2018-12-09 19:30:39,885 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/0a83006a4/2236fb35a187488ebd9648085d03da51 [2018-12-09 19:30:39,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:30:39,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:30:39,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:39,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:30:39,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:30:39,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:39" (1/1) ... [2018-12-09 19:30:39,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a43ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:39, skipping insertion in model container [2018-12-09 19:30:39,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:39" (1/1) ... [2018-12-09 19:30:39,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:30:39,911 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:30:40,021 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:40,023 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:30:40,072 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:40,089 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:30:40,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40 WrapperNode [2018-12-09 19:30:40,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:40,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:40,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:30:40,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:30:40,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:40,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:30:40,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:30:40,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:30:40,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... [2018-12-09 19:30:40,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:30:40,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:30:40,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:30:40,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:30:40,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:30:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 19:30:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:30:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:30:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 19:30:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 19:30:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-12-09 19:30:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-12-09 19:30:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:30:40,351 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:30:40,351 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 19:30:40,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:40 BoogieIcfgContainer [2018-12-09 19:30:40,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:30:40,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:30:40,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:30:40,354 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:30:40,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:30:39" (1/3) ... [2018-12-09 19:30:40,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49af4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:40, skipping insertion in model container [2018-12-09 19:30:40,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:40" (2/3) ... [2018-12-09 19:30:40,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49af4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:40, skipping insertion in model container [2018-12-09 19:30:40,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:40" (3/3) ... [2018-12-09 19:30:40,356 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a_true-unreach-call.c [2018-12-09 19:30:40,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:30:40,367 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:30:40,377 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:30:40,396 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:30:40,396 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:30:40,396 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:30:40,396 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:30:40,396 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:30:40,396 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:30:40,397 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:30:40,397 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:30:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-09 19:30:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 19:30:40,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:40,411 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:40,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:40,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:40,416 INFO L82 PathProgramCache]: Analyzing trace with hash -348005672, now seen corresponding path program 1 times [2018-12-09 19:30:40,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:40,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:40,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:40,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:40,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:40,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:40,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:30:40,512 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:40,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:30:40,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:30:40,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:40,524 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-09 19:30:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:40,537 INFO L93 Difference]: Finished difference Result 102 states and 158 transitions. [2018-12-09 19:30:40,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:30:40,538 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 19:30:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:40,544 INFO L225 Difference]: With dead ends: 102 [2018-12-09 19:30:40,544 INFO L226 Difference]: Without dead ends: 51 [2018-12-09 19:30:40,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-09 19:30:40,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-09 19:30:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-09 19:30:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2018-12-09 19:30:40,569 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 22 [2018-12-09 19:30:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:40,569 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2018-12-09 19:30:40,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:30:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-09 19:30:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:30:40,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:40,570 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:40,570 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:40,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:40,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1100584309, now seen corresponding path program 1 times [2018-12-09 19:30:40,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:40,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:40,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:40,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:40,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:30:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:30:40,633 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:30:40,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:30:40 BoogieIcfgContainer [2018-12-09 19:30:40,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:30:40,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:30:40,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:30:40,652 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:30:40,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:40" (3/4) ... [2018-12-09 19:30:40,655 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:30:40,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:30:40,655 INFO L168 Benchmark]: Toolchain (without parser) took 768.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -99.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:40,656 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:40,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:40,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:40,657 INFO L168 Benchmark]: Boogie Preprocessor took 23.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:40,657 INFO L168 Benchmark]: RCFGBuilder took 219.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:40,658 INFO L168 Benchmark]: TraceAbstraction took 300.24 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:40,658 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:40,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.87 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. * Boogie Preprocessor took 23.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 300.24 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 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: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [\old(one_fmod)=6442450957, \old(Zero_fmod)=6442450955, \old(Zero_fmod)=6442450952, one_fmod=1, Zero_fmod={6442450954:0}] [L116] float x = __VERIFIER_nondet_float(); [L117] float y = 0.0f; VAL [one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L119] CALL, EXPR fmod_float(x, y) VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, Zero_fmod={6442450954:0}] [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, sx=-1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [\old(x)=6442450949, \old(y)=0, hx=2139095040, hy=0, one_fmod=1, sx=-1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L119] RET, EXPR fmod_float(x, y) VAL [fmod_float(x, y)=6442450948, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L119] float res = fmod_float(x, y); [L122] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_fmod=1, Zero_fmod={6442450954:0}] [L108] return x != x; VAL [\old(x)=6442450948, \result=0, one_fmod=1, x=6442450948, Zero_fmod={6442450954:0}] [L122] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_fmod=1, res=6442450948, x=6442450949, y=0, Zero_fmod={6442450954:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, res=6442450948, x=6442450949, y=0, Zero_fmod={6442450954:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:30:42,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:30:42,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:30:42,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:30:42,073 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:30:42,074 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:30:42,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:30:42,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:30:42,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:30:42,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:30:42,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:30:42,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:30:42,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:30:42,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:30:42,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:30:42,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:30:42,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:30:42,082 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:30:42,083 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:30:42,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:30:42,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:30:42,085 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:30:42,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:30:42,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:30:42,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:30:42,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:30:42,087 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:30:42,088 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:30:42,088 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:30:42,089 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:30:42,089 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:30:42,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:30:42,090 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:30:42,090 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:30:42,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:30:42,091 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:30:42,091 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:30:42,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:30:42,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:30:42,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:30:42,101 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:30:42,102 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:30:42,102 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:30:42,102 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:30:42,102 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:30:42,102 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:30:42,102 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:30:42,103 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:30:42,103 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:30:42,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:30:42,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:30:42,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:30:42,104 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:30:42,104 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:30:42,104 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:30:42,104 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:30:42,104 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:30:42,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:30:42,105 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:30:42,105 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:30:42,105 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:30:42,105 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:30:42,105 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:30:42,105 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:30:42,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:42,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:30:42,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:30:42,106 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:30:42,106 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:30:42,106 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:30:42,106 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:30:42,107 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:30:42,107 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_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2018-12-09 19:30:42,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:30:42,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:30:42,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:30:42,139 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:30:42,140 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:30:42,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-09 19:30:42,176 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/c2ec453f9/e191bae5a8e64d6a8d63d89fc5a45797/FLAG3f6754d77 [2018-12-09 19:30:42,626 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:30:42,627 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-12-09 19:30:42,631 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/c2ec453f9/e191bae5a8e64d6a8d63d89fc5a45797/FLAG3f6754d77 [2018-12-09 19:30:42,638 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/data/c2ec453f9/e191bae5a8e64d6a8d63d89fc5a45797 [2018-12-09 19:30:42,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:30:42,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:30:42,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:42,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:30:42,644 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:30:42,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dcf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42, skipping insertion in model container [2018-12-09 19:30:42,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:30:42,661 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:30:42,766 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:42,771 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:30:42,794 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:42,808 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:30:42,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42 WrapperNode [2018-12-09 19:30:42,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:42,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:42,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:30:42,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:30:42,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:42,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:30:42,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:30:42,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:30:42,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... [2018-12-09 19:30:42,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:30:42,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:30:42,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:30:42,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:30:42,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 19:30:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:30:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:30:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 19:30:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 19:30:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 19:30:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:30:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:30:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-12-09 19:30:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 19:30:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:30:42,997 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:43,043 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:43,061 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:43,957 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:30:43,957 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 19:30:43,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:43 BoogieIcfgContainer [2018-12-09 19:30:43,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:30:43,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:30:43,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:30:43,959 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:30:43,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:30:42" (1/3) ... [2018-12-09 19:30:43,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7538c173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:43, skipping insertion in model container [2018-12-09 19:30:43,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:42" (2/3) ... [2018-12-09 19:30:43,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7538c173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:43, skipping insertion in model container [2018-12-09 19:30:43,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:43" (3/3) ... [2018-12-09 19:30:43,961 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a_true-unreach-call.c [2018-12-09 19:30:43,967 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:30:43,971 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:30:43,980 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:30:43,996 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:30:43,996 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:30:43,996 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:30:43,996 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:30:43,996 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:30:43,997 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:30:43,997 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:30:43,997 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:30:43,997 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:30:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-09 19:30:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 19:30:44,009 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:44,010 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:44,011 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:44,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:44,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1582823124, now seen corresponding path program 1 times [2018-12-09 19:30:44,017 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:30:44,017 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 19:30:44,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:44,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:30:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:44,237 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:30:44,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:44,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:30:44,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:30:44,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:30:44,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:44,257 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-09 19:30:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:44,271 INFO L93 Difference]: Finished difference Result 100 states and 156 transitions. [2018-12-09 19:30:44,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:30:44,272 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 19:30:44,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:44,278 INFO L225 Difference]: With dead ends: 100 [2018-12-09 19:30:44,279 INFO L226 Difference]: Without dead ends: 50 [2018-12-09 19:30:44,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-09 19:30:44,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-09 19:30:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 19:30:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions. [2018-12-09 19:30:44,304 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 21 [2018-12-09 19:30:44,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:44,304 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions. [2018-12-09 19:30:44,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:30:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2018-12-09 19:30:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 19:30:44,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:44,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:44,305 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:44,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:44,305 INFO L82 PathProgramCache]: Analyzing trace with hash -853861129, now seen corresponding path program 1 times [2018-12-09 19:30:44,306 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:30:44,306 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 19:30:44,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:44,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:30:48,974 WARN L180 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 19:30:52,709 WARN L180 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 19:30:55,370 WARN L180 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 19:30:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:58,856 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:30:58,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:58,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 19:30:58,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:30:58,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:30:58,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:30:58,866 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand 9 states. [2018-12-09 19:31:06,351 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 19:31:10,438 WARN L180 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 19:31:13,646 WARN L180 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 19:31:17,510 WARN L180 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 19:31:19,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:31:19,700 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2018-12-09 19:31:19,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:31:19,700 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-09 19:31:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:31:19,701 INFO L225 Difference]: With dead ends: 57 [2018-12-09 19:31:19,702 INFO L226 Difference]: Without dead ends: 50 [2018-12-09 19:31:19,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 26.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:31:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-09 19:31:19,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-09 19:31:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 19:31:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2018-12-09 19:31:19,708 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 23 [2018-12-09 19:31:19,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:31:19,709 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2018-12-09 19:31:19,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:31:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-09 19:31:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:31:19,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:31:19,710 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:31:19,710 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:31:19,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:31:19,710 INFO L82 PathProgramCache]: Analyzing trace with hash 988405985, now seen corresponding path program 1 times [2018-12-09 19:31:19,710 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:31:19,710 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 19:31:19,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:31:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:31:19,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:31:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:31:19,816 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:31:19,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:31:19,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:31:19,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:31:19,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:31:19,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:31:19,825 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 7 states. [2018-12-09 19:31:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:31:20,083 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2018-12-09 19:31:20,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:31:20,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 19:31:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:31:20,084 INFO L225 Difference]: With dead ends: 52 [2018-12-09 19:31:20,084 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:31:20,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:31:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:31:20,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:31:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:31:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:31:20,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-09 19:31:20,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:31:20,086 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:31:20,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:31:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:31:20,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:31:20,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:31:21,109 WARN L180 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 19:31:21,143 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 108) no Hoare annotation was computed. [2018-12-09 19:31:21,143 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 108) the Hoare annotation is: true [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 108) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 19:31:21,144 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 110 128) the Hoare annotation is: true [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 110 128) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-09 19:31:21,144 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (and (exists ((fmod_float_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.mul roundNearestTiesToEven fmod_float_~x (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (= (_ +zero 8 24) main_~y~0)) [2018-12-09 19:31:21,144 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 125) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 110 128) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (= (_ +zero 8 24) main_~y~0) [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point fmod_floatEXIT(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-12-09 19:31:21,145 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (= fmod_float_~y |fmod_float_#in~y|) [2018-12-09 19:31:21,145 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point fmod_floatFINAL(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L451 ceAbstractionStarter]: At program point fmod_floatENTRY(lines 17 105) the Hoare annotation is: true [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L444 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L444 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|) (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) fmod_float_~hy~0)))) [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2018-12-09 19:31:21,146 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L444 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|) (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) fmod_float_~hy~0)))) [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2018-12-09 19:31:21,147 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-09 19:31:21,148 INFO L444 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: (and (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |fmod_float_#in~y|) (not (= (bvand (_ bv2147483647 32) v_fmod_float_~hy~0_19) (_ bv0 32))))) (= fmod_float_~y |fmod_float_#in~y|)) [2018-12-09 19:31:21,148 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-12-09 19:31:21,148 INFO L448 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2018-12-09 19:31:21,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,151 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,155 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,155 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,156 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,157 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,157 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,157 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,157 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,157 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,158 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,158 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,158 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,159 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,159 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,159 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,159 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,159 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,160 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,160 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,160 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,161 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:31:21 BoogieIcfgContainer [2018-12-09 19:31:21,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:31:21,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:31:21,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:31:21,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:31:21,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:43" (3/4) ... [2018-12-09 19:31:21,173 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:31:21,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 19:31:21,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:31:21,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:31:21,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-12-09 19:31:21,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 19:31:21,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 19:31:21,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:31:21,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:31:21,196 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: y == \old(y) [2018-12-09 19:31:21,203 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19aa010c-a4bb-4633-8ce4-9ba2bec86f41/bin-2019/utaipan/witness.graphml [2018-12-09 19:31:21,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:31:21,204 INFO L168 Benchmark]: Toolchain (without parser) took 38563.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.7 MB in the beginning and 970.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:31:21,204 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:31:21,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.62 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:31:21,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.39 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:31:21,205 INFO L168 Benchmark]: Boogie Preprocessor took 56.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:31:21,205 INFO L168 Benchmark]: RCFGBuilder took 1074.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:31:21,206 INFO L168 Benchmark]: TraceAbstraction took 37212.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 122.4 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:31:21,206 INFO L168 Benchmark]: Witness Printer took 33.50 ms. Allocated memory is still 1.2 GB. Free memory was 977.4 MB in the beginning and 970.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:31:21,207 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.62 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.39 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1074.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37212.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 122.4 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. * Witness Printer took 33.50 ms. Allocated memory is still 1.2 GB. Free memory was 977.4 MB in the beginning and 970.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 97]: Loop Invariant [2018-12-09 19:31:21,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 82]: Loop Invariant [2018-12-09 19:31:21,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 41]: Loop Invariant [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,216 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: ((\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y)) && (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && ~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == hy) - InvariantResult [Line: 88]: Loop Invariant [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 47]: Loop Invariant [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,218 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,219 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: ((\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y)) && (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && ~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == hy) - InvariantResult [Line: 65]: Loop Invariant [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-12-09 19:31:21,220 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] Derived loop invariant: (\exists v_fmod_float_~hy~0_19 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hy~0_19[31:31], v_fmod_float_~hy~0_19[30:23], v_fmod_float_~hy~0_19[22:0]) == \old(y) && !(~bvand32(2147483647bv32, v_fmod_float_~hy~0_19) == 0bv32)) && y == \old(y) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: y == \old(y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 37.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 21.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 174 SDtfs, 148 SDslu, 487 SDs, 0 SdLazy, 97 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 26.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 17 PreInvPairs, 25 NumberOfFragments, 187 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 5614 SizeOfPredicates, 8 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...