./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121b_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_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 73dc70fc086318c728ead326eb8ef835fee9f9a2 .................................................................................................................................................................................................................................................................................................................................... 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_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 73dc70fc086318c728ead326eb8ef835fee9f9a2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:32:09,980 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:32:09,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:32:09,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:32:09,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:32:09,989 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:32:09,990 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:32:09,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:32:09,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:32:09,993 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:32:09,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:32:09,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:32:09,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:32:09,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:32:09,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:32:09,996 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:32:09,997 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:32:09,998 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:32:10,000 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:32:10,001 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:32:10,002 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:32:10,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:32:10,005 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:32:10,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:32:10,005 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:32:10,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:32:10,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:32:10,008 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:32:10,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:32:10,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:32:10,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:32:10,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:32:10,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:32:10,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:32:10,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:32:10,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:32:10,012 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:32:10,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:32:10,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:32:10,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:32:10,023 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:32:10,023 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:32:10,023 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:32:10,024 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:32:10,025 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:32:10,025 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:32:10,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:32:10,025 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:32:10,025 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:32:10,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:32:10,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:32:10,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:32:10,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:32:10,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:32:10,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:32:10,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:32:10,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:32:10,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:32:10,028 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:32:10,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:32:10,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:32:10,028 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:32:10,028 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_972db64b-a6d2-42e7-a22b-586fcf15d641/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 -> 73dc70fc086318c728ead326eb8ef835fee9f9a2 [2018-11-18 14:32:10,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:32:10,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:32:10,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:32:10,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:32:10,062 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:32:10,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121b_true-unreach-call.c [2018-11-18 14:32:10,100 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/0015d017b/b1d3375aa6384c09882dddc250d6da8b/FLAG45406a717 [2018-11-18 14:32:10,526 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:32:10,526 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/sv-benchmarks/c/float-newlib/float_req_bl_1121b_true-unreach-call.c [2018-11-18 14:32:10,533 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/0015d017b/b1d3375aa6384c09882dddc250d6da8b/FLAG45406a717 [2018-11-18 14:32:10,542 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/0015d017b/b1d3375aa6384c09882dddc250d6da8b [2018-11-18 14:32:10,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:32:10,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:32:10,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:10,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:32:10,548 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:32:10,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdd1a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10, skipping insertion in model container [2018-11-18 14:32:10,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:32:10,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:32:10,705 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:10,710 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:32:10,734 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:10,751 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:32:10,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10 WrapperNode [2018-11-18 14:32:10,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:10,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:10,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:32:10,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:32:10,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:10,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:32:10,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:32:10,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:32:10,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... [2018-11-18 14:32:10,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:32:10,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:32:10,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:32:10,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:32:10,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 14:32:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:32:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 14:32:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:32:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 14:32:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:32:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:32:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:32:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:32:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-11-18 14:32:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-11-18 14:32:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:32:11,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:32:11,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:11 BoogieIcfgContainer [2018-11-18 14:32:11,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:32:11,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:32:11,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:32:11,127 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:32:11,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:32:10" (1/3) ... [2018-11-18 14:32:11,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a2d8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:11, skipping insertion in model container [2018-11-18 14:32:11,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:10" (2/3) ... [2018-11-18 14:32:11,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a2d8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:11, skipping insertion in model container [2018-11-18 14:32:11,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:11" (3/3) ... [2018-11-18 14:32:11,129 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121b_true-unreach-call.c [2018-11-18 14:32:11,134 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:32:11,139 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:32:11,148 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:32:11,169 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:32:11,170 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:32:11,170 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:32:11,170 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:32:11,170 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:32:11,170 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:32:11,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:32:11,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:32:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-18 14:32:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 14:32:11,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:11,188 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 14:32:11,190 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:11,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:11,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1584020823, now seen corresponding path program 1 times [2018-11-18 14:32:11,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:32:11,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:32:11,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:11,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:32:11,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:32:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:11,291 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 14:32:11,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:32:11,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:32:11,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:32:11,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:32:11,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:32:11,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:32:11,305 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-11-18 14:32:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:32:11,319 INFO L93 Difference]: Finished difference Result 110 states and 166 transitions. [2018-11-18 14:32:11,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:32:11,320 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 14:32:11,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:32:11,330 INFO L225 Difference]: With dead ends: 110 [2018-11-18 14:32:11,330 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 14:32:11,333 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 14:32:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 14:32:11,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-18 14:32:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 14:32:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2018-11-18 14:32:11,361 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 22 [2018-11-18 14:32:11,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:32:11,361 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2018-11-18 14:32:11,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:32:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-11-18 14:32:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 14:32:11,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:11,362 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 14:32:11,362 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:11,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:11,363 INFO L82 PathProgramCache]: Analyzing trace with hash -583173435, now seen corresponding path program 1 times [2018-11-18 14:32:11,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:32:11,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:32:11,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:11,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:32:11,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:32:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:32:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:32:11,449 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 14:32:11,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:32:11 BoogieIcfgContainer [2018-11-18 14:32:11,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:32:11,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:32:11,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:32:11,469 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:32:11,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:11" (3/4) ... [2018-11-18 14:32:11,471 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:32:11,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:32:11,472 INFO L168 Benchmark]: Toolchain (without parser) took 927.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:11,473 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:11,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.08 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 945.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:11,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -205.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:11,474 INFO L168 Benchmark]: Boogie Preprocessor took 28.90 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 14:32:11,475 INFO L168 Benchmark]: RCFGBuilder took 292.00 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:11,475 INFO L168 Benchmark]: TraceAbstraction took 342.99 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:11,476 INFO L168 Benchmark]: Witness Printer took 2.96 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 14:32:11,478 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.08 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 945.0 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 51.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -205.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.90 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 292.00 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 342.99 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: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 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: 122]: 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 someUnaryFLOAToperation at line 117, 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)=10737418254, \old(Zero_fmod)=10737418248, \old(Zero_fmod)=10737418253, one_fmod=1, Zero_fmod={10737418252:0}] [L116] float x = __VERIFIER_nondet_float(); [L117] float y = -0.0f; VAL [one_fmod=1, x=10737418245, Zero_fmod={10737418252:0}] [L118] CALL, EXPR fmod_float(x, y) VAL [\old(x)=10737418245, \old(y)=10737418250, one_fmod=1, Zero_fmod={10737418252:0}] [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=10737418245, \old(y)=10737418250, one_fmod=1, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [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)=10737418245, \old(y)=10737418250, hx=-2147483648, one_fmod=1, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [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)=10737418245, \old(y)=10737418250, hx=-2147483648, hy=-2147483648, one_fmod=1, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [\old(x)=10737418245, \old(y)=10737418250, one_fmod=1, sx=-1, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] RET return (x * y) / (x * y); VAL [\old(x)=10737418245, \old(y)=10737418250, hx=2139095040, hy=2139095041, one_fmod=1, sx=-1, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [L118] EXPR fmod_float(x, y) VAL [fmod_float(x, y)=10737418244, one_fmod=1, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [L118] float res = fmod_float(x, y); [L121] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418244, one_fmod=1, Zero_fmod={10737418252:0}] [L108] RET return x != x; VAL [\old(x)=10737418244, \result=0, one_fmod=1, x=10737418244, Zero_fmod={10737418252:0}] [L121] EXPR isnan_float(res) VAL [isnan_float(res)=0, one_fmod=1, res=10737418244, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] [L121] COND TRUE !isnan_float(res) [L122] __VERIFIER_error() VAL [one_fmod=1, res=10737418244, x=10737418245, y=10737418250, Zero_fmod={10737418252:0}] - 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 14:32:12,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:32:12,878 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:32:12,886 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:32:12,886 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:32:12,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:32:12,887 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:32:12,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:32:12,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:32:12,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:32:12,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:32:12,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:32:12,892 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:32:12,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:32:12,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:32:12,894 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:32:12,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:32:12,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:32:12,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:32:12,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:32:12,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:32:12,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:32:12,902 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:32:12,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:32:12,902 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:32:12,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:32:12,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:32:12,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:32:12,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:32:12,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:32:12,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:32:12,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:32:12,906 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:32:12,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:32:12,907 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:32:12,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:32:12,908 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 14:32:12,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:32:12,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:32:12,919 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:32:12,919 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:32:12,919 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:32:12,920 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:32:12,920 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:32:12,920 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:32:12,920 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:32:12,920 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:32:12,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:32:12,920 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:32:12,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:32:12,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:32:12,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:32:12,923 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:32:12,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:32:12,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:32:12,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:32:12,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:32:12,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:32:12,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:32:12,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:32:12,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:32:12,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:32:12,924 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 14:32:12,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:32:12,924 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 14:32:12,924 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 14:32:12,924 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_972db64b-a6d2-42e7-a22b-586fcf15d641/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 -> 73dc70fc086318c728ead326eb8ef835fee9f9a2 [2018-11-18 14:32:12,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:32:12,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:32:12,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:32:12,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:32:12,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:32:12,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1121b_true-unreach-call.c [2018-11-18 14:32:13,011 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/003a95185/269261c7bed84867bad3aa51cbb04821/FLAGf1d242e80 [2018-11-18 14:32:13,343 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:32:13,343 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/sv-benchmarks/c/float-newlib/float_req_bl_1121b_true-unreach-call.c [2018-11-18 14:32:13,347 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/003a95185/269261c7bed84867bad3aa51cbb04821/FLAGf1d242e80 [2018-11-18 14:32:13,774 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/data/003a95185/269261c7bed84867bad3aa51cbb04821 [2018-11-18 14:32:13,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:32:13,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:32:13,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:13,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:32:13,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:32:13,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:13,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74daea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13, skipping insertion in model container [2018-11-18 14:32:13,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:13,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:32:13,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:32:13,951 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:13,957 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:32:13,984 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:13,998 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:32:13,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13 WrapperNode [2018-11-18 14:32:13,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:13,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:13,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:32:14,000 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:32:14,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:14,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:32:14,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:32:14,017 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:32:14,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... [2018-11-18 14:32:14,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:32:14,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:32:14,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:32:14,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:32:14,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 14:32:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:32:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 14:32:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:32:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 14:32:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:32:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:32:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 14:32:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-11-18 14:32:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-11-18 14:32:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 14:32:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:32:14,230 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:32:14,293 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:32:15,000 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:32:15,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:15 BoogieIcfgContainer [2018-11-18 14:32:15,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:32:15,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:32:15,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:32:15,002 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:32:15,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:32:13" (1/3) ... [2018-11-18 14:32:15,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c739ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:15, skipping insertion in model container [2018-11-18 14:32:15,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:13" (2/3) ... [2018-11-18 14:32:15,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c739ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:32:15, skipping insertion in model container [2018-11-18 14:32:15,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:15" (3/3) ... [2018-11-18 14:32:15,005 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121b_true-unreach-call.c [2018-11-18 14:32:15,011 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:32:15,016 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:32:15,024 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:32:15,042 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:32:15,042 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:32:15,042 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:32:15,042 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:32:15,042 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:32:15,043 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:32:15,043 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:32:15,043 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:32:15,043 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:32:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-18 14:32:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:32:15,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:15,058 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 14:32:15,059 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:15,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:15,062 INFO L82 PathProgramCache]: Analyzing trace with hash 988762339, now seen corresponding path program 1 times [2018-11-18 14:32:15,065 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 14:32:15,065 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 14:32:15,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:15,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:32:15,317 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 14:32:15,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 14:32:15,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:32:15,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:32:15,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:32:15,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:32:15,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:32:15,344 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-18 14:32:15,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:32:15,362 INFO L93 Difference]: Finished difference Result 108 states and 164 transitions. [2018-11-18 14:32:15,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:32:15,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 14:32:15,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:32:15,372 INFO L225 Difference]: With dead ends: 108 [2018-11-18 14:32:15,373 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 14:32:15,375 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 14:32:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 14:32:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-18 14:32:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 14:32:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2018-11-18 14:32:15,405 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 21 [2018-11-18 14:32:15,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:32:15,405 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2018-11-18 14:32:15,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:32:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-18 14:32:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 14:32:15,406 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:15,406 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 14:32:15,406 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:15,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:15,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1170034087, now seen corresponding path program 1 times [2018-11-18 14:32:15,407 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 14:32:15,407 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 14:32:15,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:15,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:32:18,146 WARN L180 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 14:32:21,357 WARN L180 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-18 14:32:24,680 WARN L180 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-18 14:32:27,632 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 14:32:27,632 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 14:32:27,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:32:27,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 14:32:27,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:32:27,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:32:27,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:32:27,643 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand 9 states. [2018-11-18 14:32:36,980 WARN L180 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 14:32:41,833 WARN L180 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 14:32:44,904 WARN L180 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 14:32:49,460 WARN L180 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 14:32:50,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:32:50,592 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2018-11-18 14:32:50,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:32:50,593 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-18 14:32:50,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:32:50,594 INFO L225 Difference]: With dead ends: 61 [2018-11-18 14:32:50,594 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 14:32:50,594 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:32:50,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 14:32:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-18 14:32:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 14:32:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-11-18 14:32:50,602 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 23 [2018-11-18 14:32:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:32:50,603 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-11-18 14:32:50,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:32:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-18 14:32:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 14:32:50,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:32:50,604 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 14:32:50,604 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:32:50,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:50,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1034949521, now seen corresponding path program 1 times [2018-11-18 14:32:50,605 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 14:32:50,605 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/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 14:32:50,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:32:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:50,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:32:50,715 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 14:32:50,716 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 14:32:50,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:32:50,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:32:50,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:32:50,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:32:50,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:32:50,729 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 7 states. [2018-11-18 14:32:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:32:51,073 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2018-11-18 14:32:51,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:32:51,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-18 14:32:51,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:32:51,074 INFO L225 Difference]: With dead ends: 56 [2018-11-18 14:32:51,074 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:32:51,075 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 14:32:51,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:32:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:32:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:32:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:32:51,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-11-18 14:32:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:32:51,076 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:32:51,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:32:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:32:51,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:32:51,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:32:52,129 WARN L180 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 14:32:52,154 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 108) no Hoare annotation was computed. [2018-11-18 14:32:52,154 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 108) the Hoare annotation is: true [2018-11-18 14:32:52,154 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 108) no Hoare annotation was computed. [2018-11-18 14:32:52,154 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:32:52,155 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:32:52,155 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:32:52,155 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:32:52,155 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 14:32:52,155 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:32:52,155 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:32:52,155 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 110 127) the Hoare annotation is: true [2018-11-18 14:32:52,155 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 110 127) no Hoare annotation was computed. [2018-11-18 14:32:52,155 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-18 14:32:52,155 INFO L421 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (and (= main_~y~0 (fp.neg (_ +zero 8 24))) (exists ((fmod_float_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven fmod_float_~x (fp.neg (_ +zero 8 24))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) main_~res~0))) [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 110 127) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 124) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L421 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (= main_~y~0 (fp.neg (_ +zero 8 24))) [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point fmod_floatEXIT(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-11-18 14:32:52,156 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2018-11-18 14:32:52,157 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-11-18 14:32:52,157 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 14:32:52,157 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-11-18 14:32:52,157 INFO L425 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,157 INFO L425 ceAbstractionStarter]: For program point fmod_floatFINAL(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,157 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 14:32:52,157 INFO L428 ceAbstractionStarter]: At program point fmod_floatENTRY(lines 17 105) the Hoare annotation is: true [2018-11-18 14:32:52,157 INFO L425 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-11-18 14:32:52,157 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 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 47 48) no Hoare annotation was computed. [2018-11-18 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2018-11-18 14:32:52,158 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 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-18 14:32:52,158 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 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L97-4(lines 97 101) no Hoare annotation was computed. [2018-11-18 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-11-18 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,158 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2018-11-18 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L65-2(lines 65 74) no Hoare annotation was computed. [2018-11-18 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L65-4(lines 65 74) no Hoare annotation was computed. [2018-11-18 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L82-1(lines 82 85) no Hoare annotation was computed. [2018-11-18 14:32:52,159 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 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L82-4(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 42) no Hoare annotation was computed. [2018-11-18 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L41-3(lines 41 42) no Hoare annotation was computed. [2018-11-18 14:32:52,159 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 14:32:52,159 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2018-11-18 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2018-11-18 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L25-2(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L25-3(lines 25 29) no Hoare annotation was computed. [2018-11-18 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2018-11-18 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-18 14:32:52,160 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 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-11-18 14:32:52,160 INFO L425 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2018-11-18 14:32:52,164 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,164 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,164 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,165 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,169 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,170 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,171 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,172 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,173 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,174 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,175 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,175 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,175 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,175 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,177 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,177 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,177 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,177 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,177 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,178 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,182 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,182 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:32:52 BoogieIcfgContainer [2018-11-18 14:32:52,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:32:52,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:32:52,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:32:52,184 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:32:52,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:15" (3/4) ... [2018-11-18 14:32:52,187 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:32:52,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 14:32:52,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:32:52,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:32:52,194 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-11-18 14:32:52,197 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 14:32:52,197 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 14:32:52,197 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:32:52,198 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:32:52,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: y == \old(y) [2018-11-18 14:32:52,214 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 14:32:52,214 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 14:32:52,214 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 14:32:52,215 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 14:32:52,215 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 14:32:52,215 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 14:32:52,236 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_972db64b-a6d2-42e7-a22b-586fcf15d641/bin-2019/utaipan/witness.graphml [2018-11-18 14:32:52,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:32:52,237 INFO L168 Benchmark]: Toolchain (without parser) took 38460.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 949.7 MB in the beginning and 936.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 127.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:52,238 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:52,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.57 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 14:32:52,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.08 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 14:32:52,238 INFO L168 Benchmark]: Boogie Preprocessor took 63.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:52,239 INFO L168 Benchmark]: RCFGBuilder took 920.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:52,239 INFO L168 Benchmark]: TraceAbstraction took 37182.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 134.6 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:32:52,239 INFO L168 Benchmark]: Witness Printer took 52.77 ms. Allocated memory is still 1.1 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:32:52,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.57 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 17.08 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 63.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 920.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37182.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 936.6 MB in the end (delta: 134.6 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.77 ms. Allocated memory is still 1.1 GB. Free memory is still 936.6 MB. There was no memory consumed. 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: 122]: 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 14:32:52,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,245 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 14:32:52,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,246 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 14:32:52,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,249 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 14:32:52,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,250 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 14:32:52,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,253 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 14:32:52,257 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,257 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hy~0_19,QUANTIFIED] [2018-11-18 14:32:52,258 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, 37.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 23.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 186 SDtfs, 162 SDslu, 521 SDs, 0 SdLazy, 97 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 25.6s 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, 191 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 5747 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...