./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ...................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:54:07,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:54:07,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:54:07,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:54:07,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:54:07,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:54:07,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:54:07,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:54:07,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:54:07,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:54:07,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:54:07,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:54:07,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:54:07,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:54:07,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:54:07,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:54:07,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:54:07,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:54:07,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:54:07,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:54:07,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:54:07,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:54:07,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:54:07,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:54:07,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:54:07,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:54:07,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:54:07,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:54:07,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:54:07,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:54:07,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:54:07,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:54:07,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:54:07,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:54:07,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:54:07,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:54:07,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:54:07,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:54:07,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:54:07,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:54:07,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:54:07,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:54:07,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:54:07,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:54:07,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:54:07,904 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:54:07,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:54:07,904 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:54:07,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:54:07,904 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:54:07,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:54:07,905 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:54:07,905 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:54:07,905 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:54:07,905 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:54:07,906 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:54:07,906 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:54:07,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:54:07,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:54:07,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:54:07,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:54:07,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:54:07,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:54:07,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:54:07,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:54:07,908 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:54:07,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:54:07,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:54:07,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:54:07,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:54:07,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:54:07,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:54:07,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:54:07,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:07,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:54:07,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:54:07,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:54:07,910 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:54:07,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:54:07,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:54:07,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:54:07,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:54:07,911 INFO L138 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/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-12-07 20:54:08,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:54:08,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:54:08,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:54:08,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:54:08,023 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:54:08,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-12-07 20:54:08,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/fd6e85350/327d6a375c9148f49ed1fed1e0844a50/FLAG4b3ca4806 [2019-12-07 20:54:08,402 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:54:08,403 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-12-07 20:54:08,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/fd6e85350/327d6a375c9148f49ed1fed1e0844a50/FLAG4b3ca4806 [2019-12-07 20:54:08,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/fd6e85350/327d6a375c9148f49ed1fed1e0844a50 [2019-12-07 20:54:08,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:54:08,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:54:08,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:08,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:54:08,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:54:08,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770086bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08, skipping insertion in model container [2019-12-07 20:54:08,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:54:08,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:08,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:08,615 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:54:08,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:08,658 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:54:08,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08 WrapperNode [2019-12-07 20:54:08,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:08,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:08,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:54:08,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:54:08,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:08,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:54:08,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:54:08,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:54:08,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:54:08,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:54:08,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:54:08,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:54:08,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 [2019-12-07 20:54:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:54:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:54:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:54:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:54:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:54:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:54:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:54:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:54:09,128 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:54:09,128 INFO L287 CfgBuilder]: Removed 28 assume(true) statements. [2019-12-07 20:54:09,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:09 BoogieIcfgContainer [2019-12-07 20:54:09,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:54:09,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:54:09,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:54:09,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:54:09,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:54:08" (1/3) ... [2019-12-07 20:54:09,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220d7562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:09, skipping insertion in model container [2019-12-07 20:54:09,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08" (2/3) ... [2019-12-07 20:54:09,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220d7562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:09, skipping insertion in model container [2019-12-07 20:54:09,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:09" (3/3) ... [2019-12-07 20:54:09,134 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-12-07 20:54:09,140 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:54:09,144 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:54:09,151 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:54:09,166 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:54:09,166 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:54:09,166 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:54:09,166 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:54:09,166 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:54:09,166 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:54:09,166 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:54:09,166 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:54:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-07 20:54:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:54:09,179 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:09,179 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:09,180 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:09,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:09,183 INFO L82 PathProgramCache]: Analyzing trace with hash 2091993846, now seen corresponding path program 1 times [2019-12-07 20:54:09,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:54:09,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262081540] [2019-12-07 20:54:09,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:54:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:09,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262081540] [2019-12-07 20:54:09,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:09,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:54:09,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386644868] [2019-12-07 20:54:09,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:54:09,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:54:09,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:54:09,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:09,281 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-12-07 20:54:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:09,295 INFO L93 Difference]: Finished difference Result 86 states and 139 transitions. [2019-12-07 20:54:09,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:54:09,296 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 20:54:09,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:09,303 INFO L225 Difference]: With dead ends: 86 [2019-12-07 20:54:09,303 INFO L226 Difference]: Without dead ends: 41 [2019-12-07 20:54:09,305 INFO L630 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 [2019-12-07 20:54:09,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-12-07 20:54:09,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-12-07 20:54:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-12-07 20:54:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2019-12-07 20:54:09,328 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 8 [2019-12-07 20:54:09,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:09,328 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2019-12-07 20:54:09,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:54:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2019-12-07 20:54:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:54:09,329 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:09,329 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:09,329 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:09,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:09,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1642625042, now seen corresponding path program 1 times [2019-12-07 20:54:09,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:54:09,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179393264] [2019-12-07 20:54:09,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:54:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:54:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:54:09,385 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:54:09,385 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:54:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:54:09 BoogieIcfgContainer [2019-12-07 20:54:09,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:54:09,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:54:09,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:54:09,406 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:54:09,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:09" (3/4) ... [2019-12-07 20:54:09,408 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:54:09,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:54:09,410 INFO L168 Benchmark]: Toolchain (without parser) took 990.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.9 MB in the beginning and 1.0 GB in the end (delta: -88.6 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:09,410 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:09,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:09,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.14 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. [2019-12-07 20:54:09,411 INFO L168 Benchmark]: Boogie Preprocessor took 26.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:09,412 INFO L168 Benchmark]: RCFGBuilder took 408.95 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: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:09,412 INFO L168 Benchmark]: TraceAbstraction took 275.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:09,412 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:09,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 408.95 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: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 275.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L188] float res = __ieee754_asinf(x); [L13] return x != x; [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 56 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=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-12-07 20:54:10,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:54:10,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:54:10,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:54:10,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:54:10,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:54:10,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:54:10,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:54:10,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:54:10,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:54:10,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:54:10,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:54:10,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:54:10,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:54:10,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:54:10,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:54:10,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:54:10,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:54:10,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:54:10,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:54:10,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:54:10,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:54:10,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:54:10,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:54:10,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:54:10,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:54:10,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:54:10,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:54:10,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:54:10,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:54:10,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:54:10,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:54:10,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:54:10,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:54:10,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:54:10,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:54:10,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:54:10,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:54:10,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:54:10,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:54:10,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:54:10,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:54:10,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:54:10,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:54:10,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:54:10,824 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:54:10,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:54:10,825 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:54:10,825 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:54:10,825 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:54:10,825 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:54:10,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:54:10,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:54:10,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:54:10,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:10,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:54:10,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:54:10,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:54:10,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:54:10,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:54:10,829 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-12-07 20:54:10,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:54:10,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:54:11,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:54:11,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:54:11,002 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:54:11,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-12-07 20:54:11,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/75fd14660/567fe258619346d8bdbdd86bb0006229/FLAGaad7787c8 [2019-12-07 20:54:11,411 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:54:11,412 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-12-07 20:54:11,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/75fd14660/567fe258619346d8bdbdd86bb0006229/FLAGaad7787c8 [2019-12-07 20:54:11,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/data/75fd14660/567fe258619346d8bdbdd86bb0006229 [2019-12-07 20:54:11,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:54:11,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:54:11,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:11,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:54:11,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:54:11,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb84b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11, skipping insertion in model container [2019-12-07 20:54:11,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:54:11,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:11,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:11,622 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:54:11,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:11,700 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:54:11,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11 WrapperNode [2019-12-07 20:54:11,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:11,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:11,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:54:11,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:54:11,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:11,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:54:11,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:54:11,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:54:11,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... [2019-12-07 20:54:11,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:54:11,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:54:11,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:54:11,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:54:11,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 [2019-12-07 20:54:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:54:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 20:54:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:54:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:54:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:54:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 20:54:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:54:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:54:21,249 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:54:21,250 INFO L287 CfgBuilder]: Removed 28 assume(true) statements. [2019-12-07 20:54:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:21 BoogieIcfgContainer [2019-12-07 20:54:21,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:54:21,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:54:21,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:54:21,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:54:21,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:54:11" (1/3) ... [2019-12-07 20:54:21,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dfa4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:21, skipping insertion in model container [2019-12-07 20:54:21,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:11" (2/3) ... [2019-12-07 20:54:21,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dfa4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:21, skipping insertion in model container [2019-12-07 20:54:21,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:21" (3/3) ... [2019-12-07 20:54:21,257 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-12-07 20:54:21,263 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:54:21,268 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:54:21,275 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:54:21,290 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:54:21,290 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:54:21,290 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:54:21,290 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:54:21,291 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:54:21,291 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:54:21,291 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:54:21,291 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:54:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-12-07 20:54:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:54:21,306 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:21,306 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:21,306 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:21,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:21,310 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-12-07 20:54:21,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:21,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309731482] [2019-12-07 20:54:21,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 [2019-12-07 20:54:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:21,828 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:54:21,832 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:21,841 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:21,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309731482] [2019-12-07 20:54:21,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:21,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:54:21,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804310405] [2019-12-07 20:54:21,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:54:21,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:21,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:54:21,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:21,858 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-12-07 20:54:21,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:21,874 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-12-07 20:54:21,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:54:21,875 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:54:21,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:21,885 INFO L225 Difference]: With dead ends: 113 [2019-12-07 20:54:21,885 INFO L226 Difference]: Without dead ends: 54 [2019-12-07 20:54:21,888 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:21,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-07 20:54:21,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-07 20:54:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 20:54:21,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-12-07 20:54:21,915 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-12-07 20:54:21,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:21,915 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-12-07 20:54:21,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:54:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-12-07 20:54:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:54:21,915 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:21,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:22,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:54:22,117 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:22,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:22,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-12-07 20:54:22,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:22,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413130373] [2019-12-07 20:54:22,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 [2019-12-07 20:54:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:22,666 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:54:22,668 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:22,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:54:24,785 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2019-12-07 20:54:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:24,791 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:24,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413130373] [2019-12-07 20:54:24,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:24,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:54:24,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45612711] [2019-12-07 20:54:24,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:54:24,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:24,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:54:24,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:54:24,847 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand 8 states. [2019-12-07 20:54:25,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:25,242 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2019-12-07 20:54:25,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:54:25,243 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 20:54:25,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:25,243 INFO L225 Difference]: With dead ends: 59 [2019-12-07 20:54:25,243 INFO L226 Difference]: Without dead ends: 13 [2019-12-07 20:54:25,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:54:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-07 20:54:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 20:54:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 20:54:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-12-07 20:54:25,247 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-12-07 20:54:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:25,247 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-12-07 20:54:25,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:54:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-12-07 20:54:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 20:54:25,248 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:25,248 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:25,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:54:25,449 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:25,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:25,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1003963026, now seen corresponding path program 1 times [2019-12-07 20:54:25,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:25,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434879590] [2019-12-07 20:54:25,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/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 [2019-12-07 20:54:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:26,019 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:54:26,020 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:27,741 WARN L192 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-07 20:54:27,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:54:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:29,283 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:31,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434879590] [2019-12-07 20:54:31,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:31,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-12-07 20:54:31,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276822929] [2019-12-07 20:54:31,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 20:54:31,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:31,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 20:54:31,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:54:31,024 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 9 states. [2019-12-07 20:54:33,509 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-12-07 20:54:35,011 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2019-12-07 20:54:35,830 WARN L192 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2019-12-07 20:54:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:35,831 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 20:54:35,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:54:35,831 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-12-07 20:54:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:35,831 INFO L225 Difference]: With dead ends: 13 [2019-12-07 20:54:35,831 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:54:35,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:54:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:54:35,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:54:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:54:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:54:35,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-12-07 20:54:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:35,833 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:54:35,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 20:54:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:54:35,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:54:36,034 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:54:36,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:54:36,250 INFO L246 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L242 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L186(lines 186 195) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-12-07 20:54:36,251 INFO L246 CegarLoopResult]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L242 CegarLoopResult]: At program point L154-2(lines 154 158) the Hoare annotation is: false [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L242 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L122(lines 122 137) no Hoare annotation was computed. [2019-12-07 20:54:36,252 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 137) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L242 CegarLoopResult]: At program point L173(lines 108 174) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point L124(lines 124 125) no Hoare annotation was computed. [2019-12-07 20:54:36,253 INFO L246 CegarLoopResult]: For program point L191(lines 191 194) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-12-07 20:54:36,254 INFO L242 CegarLoopResult]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:54:36,254 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-12-07 20:54:36,255 INFO L246 CegarLoopResult]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-12-07 20:54:36,255 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-12-07 20:54:36,255 INFO L242 CegarLoopResult]: At program point L95(lines 83 96) the Hoare annotation is: false [2019-12-07 20:54:36,255 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-12-07 20:54:36,255 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (v_prenex_5 RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) v_prenex_5 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((v_prenex_5 RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) v_prenex_5 1.0)))) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:54:36,255 INFO L246 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-12-07 20:54:36,255 INFO L242 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-12-07 20:54:36,255 INFO L249 CegarLoopResult]: At program point L197(lines 176 198) the Hoare annotation is: true [2019-12-07 20:54:36,255 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L148(lines 148 169) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L117(lines 117 137) no Hoare annotation was computed. [2019-12-07 20:54:36,256 INFO L246 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-12-07 20:54:36,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:54:36 BoogieIcfgContainer [2019-12-07 20:54:36,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:54:36,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:54:36,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:54:36,288 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:54:36,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:21" (3/4) ... [2019-12-07 20:54:36,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:54:36,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 20:54:36,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:54:36,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:54:36,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 20:54:36,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 20:54:36,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 20:54:36,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7a67be5e-8ed2-4727-9a25-8427fc0d19a1/bin/utaipan/witness.graphml [2019-12-07 20:54:36,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:54:36,354 INFO L168 Benchmark]: Toolchain (without parser) took 24923.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 953.7 MB in the beginning and 931.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:36,354 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:36,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:36,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:36,355 INFO L168 Benchmark]: Boogie Preprocessor took 30.82 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. [2019-12-07 20:54:36,355 INFO L168 Benchmark]: RCFGBuilder took 9483.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:36,356 INFO L168 Benchmark]: TraceAbstraction took 15035.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.0 MB in the end (delta: 130.1 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:36,356 INFO L168 Benchmark]: Witness Printer took 65.12 ms. Allocated memory is still 1.2 GB. Free memory was 938.0 MB in the beginning and 931.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:36,357 INFO L335 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9483.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15035.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.0 MB in the end (delta: 130.1 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. * Witness Printer took 65.12 ms. Allocated memory is still 1.2 GB. Free memory was 938.0 MB in the beginning and 931.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-12-07 20:54:36,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 20:54:36,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, v_prenex_5 : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 111]: Loop Invariant [2019-12-07 20:54:36,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:36,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:54:36,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-12-07 20:54:36,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:36,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: SAFE, OverallTime: 14.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 90 SDtfs, 42 SDslu, 31 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 10.4s 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 162 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 6 QuantifiedInterpolants, 2193 SizeOfPredicates, 17 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...