./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/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_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/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_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/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_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/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 0.1.23-5842f4b [2018-11-18 16:10:33,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:10:33,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:10:33,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:10:33,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:10:33,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:10:33,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:10:33,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:10:33,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:10:33,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:10:33,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:10:33,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:10:33,975 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:10:33,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:10:33,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:10:33,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:10:33,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:10:33,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:10:33,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:10:33,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:10:33,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:10:33,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:10:33,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:10:33,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:10:33,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:10:33,985 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:10:33,986 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:10:33,986 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:10:33,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:10:33,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:10:33,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:10:33,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:10:33,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:10:33,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:10:33,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:10:33,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:10:33,990 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:10:34,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:10:34,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:10:34,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:10:34,001 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:10:34,001 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:10:34,001 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:10:34,001 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:10:34,001 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:10:34,002 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:10:34,002 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:10:34,002 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:10:34,002 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:10:34,002 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:10:34,003 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:10:34,003 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:10:34,003 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:10:34,003 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:10:34,003 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:10:34,004 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:10:34,004 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:10:34,005 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:10:34,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:10:34,006 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:10:34,006 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_87372b83-8681-48a3-883d-519130cffa62/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 [2018-11-18 16:10:34,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:10:34,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:10:34,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:10:34,039 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:10:34,039 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:10:34,039 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-11-18 16:10:34,075 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/38730909a/50415aad76c1445d8e0e69da88041b5f/FLAGd0359db37 [2018-11-18 16:10:34,478 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:10:34,479 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-11-18 16:10:34,483 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/38730909a/50415aad76c1445d8e0e69da88041b5f/FLAGd0359db37 [2018-11-18 16:10:34,492 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/38730909a/50415aad76c1445d8e0e69da88041b5f [2018-11-18 16:10:34,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:10:34,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:10:34,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:34,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:10:34,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:10:34,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e8c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34, skipping insertion in model container [2018-11-18 16:10:34,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:10:34,521 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:10:34,651 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:34,656 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:10:34,680 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:34,693 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:10:34,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34 WrapperNode [2018-11-18 16:10:34,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:34,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:34,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:10:34,694 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:10:34,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:34,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:10:34,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:10:34,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:10:34,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... [2018-11-18 16:10:34,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:10:34,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:10:34,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:10:34,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:10:34,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:10:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:10:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 16:10:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 16:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-11-18 16:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-11-18 16:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:10:35,130 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:10:35,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:35 BoogieIcfgContainer [2018-11-18 16:10:35,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:10:35,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:10:35,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:10:35,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:10:35,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:10:34" (1/3) ... [2018-11-18 16:10:35,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff751b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:35, skipping insertion in model container [2018-11-18 16:10:35,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:34" (2/3) ... [2018-11-18 16:10:35,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff751b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:35, skipping insertion in model container [2018-11-18 16:10:35,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:35" (3/3) ... [2018-11-18 16:10:35,136 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a_true-unreach-call.c [2018-11-18 16:10:35,141 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:10:35,147 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:10:35,157 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:10:35,178 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:10:35,178 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:10:35,179 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:10:35,179 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:10:35,179 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:10:35,179 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:10:35,179 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:10:35,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:10:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-18 16:10:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:10:35,196 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:35,196 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:35,198 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:35,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:35,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1584020823, now seen corresponding path program 1 times [2018-11-18 16:10:35,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:35,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:35,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:35,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:35,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:35,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:35,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:10:35,319 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:35,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:10:35,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:10:35,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:10:35,336 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-11-18 16:10:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:35,355 INFO L93 Difference]: Finished difference Result 110 states and 166 transitions. [2018-11-18 16:10:35,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:10:35,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 16:10:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:35,365 INFO L225 Difference]: With dead ends: 110 [2018-11-18 16:10:35,365 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 16:10:35,368 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:10:35,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 16:10:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-18 16:10:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 16:10:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2018-11-18 16:10:35,401 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 22 [2018-11-18 16:10:35,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:35,402 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2018-11-18 16:10:35,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:10:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-11-18 16:10:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:10:35,402 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:35,403 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:35,403 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:35,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:35,403 INFO L82 PathProgramCache]: Analyzing trace with hash -583173435, now seen corresponding path program 1 times [2018-11-18 16:10:35,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:35,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:35,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:35,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:35,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:10:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:10:35,486 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:10:35,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:10:35 BoogieIcfgContainer [2018-11-18 16:10:35,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:10:35,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:10:35,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:10:35,510 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:10:35,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:35" (3/4) ... [2018-11-18 16:10:35,514 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:10:35,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:10:35,514 INFO L168 Benchmark]: Toolchain (without parser) took 1020.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:35,516 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:10:35,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:35,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -207.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:35,517 INFO L168 Benchmark]: Boogie Preprocessor took 32.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:10:35,517 INFO L168 Benchmark]: RCFGBuilder took 345.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:35,517 INFO L168 Benchmark]: TraceAbstraction took 378.45 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:35,518 INFO L168 Benchmark]: Witness Printer took 3.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:10:35,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -207.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 345.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 378.45 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.81 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)=6442450952, \old(Zero_fmod)=6442450956, one_fmod=1, Zero_fmod={6442450955:0}] [L116] float x = __VERIFIER_nondet_float(); [L117] float y = 0.0f; VAL [one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450955:0}] [L119] CALL, EXPR fmod_float(x, y) VAL [\old(x)=6442450949, \old(y)=0, one_fmod=1, Zero_fmod={6442450955:0}] [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={6442450955:0}] [L21] FCALL ieee_float_shape_type gf_u; [L22] FCALL gf_u.value = (x) [L23] EXPR, FCALL gf_u.word [L23] (hx) = gf_u.word [L24] COND FALSE !(0) VAL [\old(x)=6442450949, \old(y)=0, hx=3, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450955:0}] [L26] FCALL ieee_float_shape_type gf_u; [L27] FCALL gf_u.value = (y) [L28] EXPR, FCALL gf_u.word [L28] (hy) = gf_u.word [L29] COND FALSE !(0) VAL [\old(x)=6442450949, \old(y)=0, hx=3, hy=-2147483648, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450955:0}] [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={6442450955:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] RET return (x * y) / (x * y); VAL [\old(x)=6442450949, \old(y)=0, hx=2139095040, hy=2139095041, one_fmod=1, sx=-1, x=6442450949, y=0, Zero_fmod={6442450955:0}] [L119] EXPR fmod_float(x, y) VAL [fmod_float(x, y)=6442450948, one_fmod=1, x=6442450949, y=0, Zero_fmod={6442450955:0}] [L119] float res = fmod_float(x, y); [L122] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_fmod=1, Zero_fmod={6442450955:0}] [L108] RET return x != x; VAL [\old(x)=6442450948, \result=0, one_fmod=1, x=6442450948, Zero_fmod={6442450955:0}] [L122] EXPR isnan_float(res) VAL [isnan_float(res)=0, one_fmod=1, res=6442450948, x=6442450949, y=0, Zero_fmod={6442450955:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, res=6442450948, x=6442450949, y=0, Zero_fmod={6442450955:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 59 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 74 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=59occurred 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 0.1.23-5842f4b [2018-11-18 16:10:36,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:10:36,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:10:36,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:10:36,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:10:36,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:10:36,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:10:36,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:10:36,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:10:36,976 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:10:36,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:10:36,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:10:36,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:10:36,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:10:36,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:10:36,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:10:36,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:10:36,981 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:10:36,983 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:10:36,984 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:10:36,985 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:10:36,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:10:36,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:10:36,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:10:36,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:10:36,989 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:10:36,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:10:36,990 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:10:36,991 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:10:36,991 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:10:36,991 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:10:36,992 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:10:36,992 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:10:36,992 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:10:36,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:10:36,995 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:10:36,995 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 16:10:37,005 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:10:37,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:10:37,006 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:10:37,006 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:10:37,006 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:10:37,006 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:10:37,006 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:10:37,006 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:10:37,006 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:10:37,007 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:10:37,007 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:10:37,007 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:10:37,007 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:10:37,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:10:37,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:10:37,009 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:10:37,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:10:37,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:10:37,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:10:37,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:10:37,011 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:10:37,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:10:37,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:10:37,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:10:37,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:10:37,012 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:10:37,012 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:10:37,012 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:10:37,012 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:10:37,012 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_87372b83-8681-48a3-883d-519130cffa62/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 [2018-11-18 16:10:37,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:10:37,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:10:37,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:10:37,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:10:37,055 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:10:37,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-11-18 16:10:37,091 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/2d026b78f/975372a43514429da4732b76f17a9dec/FLAGd9ef02247 [2018-11-18 16:10:37,425 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:10:37,426 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/sv-benchmarks/c/float-newlib/float_req_bl_1121a_true-unreach-call.c [2018-11-18 16:10:37,432 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/2d026b78f/975372a43514429da4732b76f17a9dec/FLAGd9ef02247 [2018-11-18 16:10:37,850 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/data/2d026b78f/975372a43514429da4732b76f17a9dec [2018-11-18 16:10:37,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:10:37,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:10:37,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:37,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:10:37,855 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:10:37,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:37" (1/1) ... [2018-11-18 16:10:37,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1779c0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:37, skipping insertion in model container [2018-11-18 16:10:37,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:37" (1/1) ... [2018-11-18 16:10:37,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:10:37,882 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:10:38,027 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:38,032 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:10:38,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:38,073 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:10:38,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38 WrapperNode [2018-11-18 16:10:38,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:38,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:38,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:10:38,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:10:38,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:38,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:10:38,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:10:38,093 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:10:38,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... [2018-11-18 16:10:38,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:10:38,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:10:38,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:10:38,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:10:38,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:10:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:10:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:10:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 16:10:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 16:10:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 16:10:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:10:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:10:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:10:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:10:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 16:10:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:10:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:10:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 16:10:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-11-18 16:10:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-11-18 16:10:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:10:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:10:38,311 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:10:38,377 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:10:39,309 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:10:39,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:39 BoogieIcfgContainer [2018-11-18 16:10:39,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:10:39,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:10:39,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:10:39,312 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:10:39,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:10:37" (1/3) ... [2018-11-18 16:10:39,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1e9445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:39, skipping insertion in model container [2018-11-18 16:10:39,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:38" (2/3) ... [2018-11-18 16:10:39,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1e9445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:39, skipping insertion in model container [2018-11-18 16:10:39,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:39" (3/3) ... [2018-11-18 16:10:39,314 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a_true-unreach-call.c [2018-11-18 16:10:39,320 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:10:39,325 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:10:39,334 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:10:39,355 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:10:39,355 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:10:39,355 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:10:39,355 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:10:39,355 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:10:39,355 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:10:39,355 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:10:39,355 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:10:39,356 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:10:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-18 16:10:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 16:10:39,371 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:39,372 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:39,373 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:39,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:39,377 INFO L82 PathProgramCache]: Analyzing trace with hash 988762339, now seen corresponding path program 1 times [2018-11-18 16:10:39,379 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:10:39,380 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 16:10:39,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:39,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:39,628 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:10:39,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:39,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:10:39,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:10:39,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:10:39,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:10:39,655 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-18 16:10:39,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:39,672 INFO L93 Difference]: Finished difference Result 108 states and 164 transitions. [2018-11-18 16:10:39,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:10:39,673 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 16:10:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:39,682 INFO L225 Difference]: With dead ends: 108 [2018-11-18 16:10:39,682 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 16:10:39,685 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:10:39,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 16:10:39,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-18 16:10:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 16:10:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2018-11-18 16:10:39,714 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 21 [2018-11-18 16:10:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:39,715 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2018-11-18 16:10:39,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:10:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-18 16:10:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 16:10:39,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:39,716 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:39,716 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:39,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1170034087, now seen corresponding path program 1 times [2018-11-18 16:10:39,717 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:10:39,717 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 16:10:39,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:39,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:42,750 WARN L180 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 16:10:45,291 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 16:10:48,631 WARN L180 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 16:10:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:52,454 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:10:52,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:52,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:10:52,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:10:52,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:10:52,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:10:52,465 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand 9 states. [2018-11-18 16:11:04,233 WARN L180 SmtUtils]: Spent 4.45 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:11:08,650 WARN L180 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:11:12,126 WARN L180 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:11:16,314 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 16:11:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:17,498 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2018-11-18 16:11:17,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:11:17,499 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-18 16:11:17,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:17,500 INFO L225 Difference]: With dead ends: 61 [2018-11-18 16:11:17,500 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 16:11:17,501 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:11:17,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 16:11:17,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-18 16:11:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 16:11:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-11-18 16:11:17,508 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 23 [2018-11-18 16:11:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:17,508 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-11-18 16:11:17,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:11:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-18 16:11:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:11:17,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:11:17,509 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:11:17,509 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:11:17,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:11:17,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1034949521, now seen corresponding path program 1 times [2018-11-18 16:11:17,510 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:11:17,510 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 16:11:17,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:11:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:11:17,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:11:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:11:17,670 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:11:17,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:11:17,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:11:17,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:11:17,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:11:17,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:11:17,683 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 7 states. [2018-11-18 16:11:18,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:11:18,009 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2018-11-18 16:11:18,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:11:18,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-18 16:11:18,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:11:18,010 INFO L225 Difference]: With dead ends: 56 [2018-11-18 16:11:18,010 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:11:18,010 INFO L604 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 [2018-11-18 16:11:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:11:18,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:11:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:11:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:11:18,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-11-18 16:11:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:11:18,011 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:11:18,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:11:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:11:18,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:11:18,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:11:18,698 WARN L180 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:11:18,723 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 108) no Hoare annotation was computed. [2018-11-18 16:11:18,723 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 108) the Hoare annotation is: true [2018-11-18 16:11:18,723 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 108) no Hoare annotation was computed. [2018-11-18 16:11:18,723 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:11:18,724 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 110 128) the Hoare annotation is: true [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 110 128) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 16:11:18,724 INFO L421 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)) [2018-11-18 16:11:18,724 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 122 125) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 110 128) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L421 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (= (_ +zero 8 24) main_~y~0) [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point fmod_floatEXIT(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L421 ceAbstractionStarter]: At program point L20-3(lines 20 24) the Hoare annotation is: (= fmod_float_~y |fmod_float_#in~y|) [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point fmod_floatFINAL(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 16:11:18,725 INFO L428 ceAbstractionStarter]: At program point fmod_floatENTRY(lines 17 105) the Hoare annotation is: true [2018-11-18 16:11:18,725 INFO L425 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L421 ceAbstractionStarter]: At program point L88-3(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|)) [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 47 48) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L421 ceAbstractionStarter]: At program point L47-4(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)))) [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L421 ceAbstractionStarter]: At program point L97-3(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|)) [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L97-4(lines 97 101) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,726 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2018-11-18 16:11:18,727 INFO L425 ceAbstractionStarter]: For program point L65-2(lines 65 74) no Hoare annotation was computed. [2018-11-18 16:11:18,727 INFO L425 ceAbstractionStarter]: For program point L65-4(lines 65 74) no Hoare annotation was computed. [2018-11-18 16:11:18,727 INFO L425 ceAbstractionStarter]: For program point L82-1(lines 82 85) no Hoare annotation was computed. [2018-11-18 16:11:18,727 INFO L421 ceAbstractionStarter]: At program point L82-3(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|)) [2018-11-18 16:11:18,727 INFO L425 ceAbstractionStarter]: For program point L82-4(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,727 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 42) no Hoare annotation was computed. [2018-11-18 16:11:18,727 INFO L425 ceAbstractionStarter]: For program point L41-3(lines 41 42) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L421 ceAbstractionStarter]: At program point L41-4(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)))) [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L25-2(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L25-3(lines 25 29) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-18 16:11:18,728 INFO L421 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|)) [2018-11-18 16:11:18,728 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-11-18 16:11:18,729 INFO L425 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2018-11-18 16:11:18,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,739 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,740 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,741 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,743 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,743 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,743 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,743 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,746 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,746 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,746 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,746 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,747 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,747 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,747 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,747 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,747 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,747 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:11:18 BoogieIcfgContainer [2018-11-18 16:11:18,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:11:18,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:11:18,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:11:18,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:11:18,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:39" (3/4) ... [2018-11-18 16:11:18,758 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:11:18,763 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 16:11:18,763 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:11:18,763 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:11:18,763 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-11-18 16:11:18,766 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 16:11:18,766 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 16:11:18,767 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:11:18,767 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:11:18,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: y == \old(y) [2018-11-18 16:11:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\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) [2018-11-18 16:11:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\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) [2018-11-18 16:11:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\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) [2018-11-18 16:11:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\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) [2018-11-18 16:11:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\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) [2018-11-18 16:11:18,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\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) [2018-11-18 16:11:18,807 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_87372b83-8681-48a3-883d-519130cffa62/bin-2019/utaipan/witness.graphml [2018-11-18 16:11:18,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:11:18,808 INFO L168 Benchmark]: Toolchain (without parser) took 40956.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.7 MB in the beginning and 948.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 124.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:18,809 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:11:18,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:18,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.45 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:11:18,809 INFO L168 Benchmark]: Boogie Preprocessor took 75.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:18,809 INFO L168 Benchmark]: RCFGBuilder took 1141.39 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:18,810 INFO L168 Benchmark]: TraceAbstraction took 39443.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.8 MB in the end (delta: 124.5 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:18,810 INFO L168 Benchmark]: Witness Printer took 53.34 ms. Allocated memory is still 1.2 GB. Free memory was 954.8 MB in the beginning and 948.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:11:18,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.45 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1141.39 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39443.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.8 MB in the end (delta: 124.5 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.34 ms. Allocated memory is still 1.2 GB. Free memory was 954.8 MB in the beginning and 948.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_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 [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,816 WARN L387 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 [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,818 WARN L387 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 [2018-11-18 16:11:18,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,821 WARN L387 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 [2018-11-18 16:11:18,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,824 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,824 WARN L387 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 [2018-11-18 16:11:18,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,827 WARN L387 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: 20]: Loop Invariant Derived loop invariant: y == \old(y) - InvariantResult [Line: 65]: Loop Invariant [2018-11-18 16:11:18,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 16:11:18,829 WARN L387 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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 1 error locations. SAFE Result, 39.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 25.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 186 SDtfs, 162 SDslu, 521 SDs, 0 SdLazy, 97 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 28.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 5614 SizeOfPredicates, 8 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 18 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...