./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 777c7562805902004290a0dc1b0fc10a1576c196 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 777c7562805902004290a0dc1b0fc10a1576c196 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:55:57,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:57,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:57,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:57,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:57,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:57,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:57,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:57,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:57,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:57,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:57,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:57,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:57,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:57,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:57,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:57,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:57,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:57,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:57,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:57,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:57,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:57,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:57,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:58,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:58,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:58,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:58,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:58,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:58,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:58,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:58,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:58,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:58,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:58,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:58,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:58,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:58,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:58,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:58,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:58,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:58,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:55:58,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:58,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:58,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:58,053 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:58,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:58,054 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:58,054 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:55:58,054 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:58,054 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:58,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:55:58,055 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:55:58,055 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:58,056 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:55:58,056 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:55:58,056 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:55:58,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:58,057 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:58,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:55:58,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:58,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:58,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:58,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:58,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:58,059 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:55:58,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:58,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:58,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:58,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:58,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:58,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:58,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:58,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:58,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:58,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:58,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:58,062 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:55:58,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:55:58,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:58,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:58,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:58,064 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 777c7562805902004290a0dc1b0fc10a1576c196 [2020-11-22 12:55:58,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:58,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:58,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:58,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:58,460 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:58,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-11-22 12:55:58,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/0af803bd2/fa1ab5b8e3634daa99075b29f80dfe39/FLAG211c08e6d [2020-11-22 12:55:59,121 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:59,122 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-11-22 12:55:59,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/0af803bd2/fa1ab5b8e3634daa99075b29f80dfe39/FLAG211c08e6d [2020-11-22 12:55:59,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/0af803bd2/fa1ab5b8e3634daa99075b29f80dfe39 [2020-11-22 12:55:59,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:59,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:59,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:59,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:59,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:59,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59, skipping insertion in model container [2020-11-22 12:55:59,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:59,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:59,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:59,716 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:55:59,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:59,781 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:55:59,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59 WrapperNode [2020-11-22 12:55:59,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:59,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:59,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:55:59,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:55:59,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:59,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:55:59,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:55:59,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:55:59,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:55:59,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:55:59,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:55:59,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:55:59,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/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 [2020-11-22 12:55:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:55:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:55:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 12:55:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:55:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 12:55:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:55:59,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:55:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 12:55:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:00,732 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:00,732 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-22 12:56:00,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00 BoogieIcfgContainer [2020-11-22 12:56:00,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:00,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:00,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:00,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:00,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:55:59" (1/3) ... [2020-11-22 12:56:00,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cc5449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:00, skipping insertion in model container [2020-11-22 12:56:00,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (2/3) ... [2020-11-22 12:56:00,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cc5449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:00, skipping insertion in model container [2020-11-22 12:56:00,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00" (3/3) ... [2020-11-22 12:56:00,749 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2020-11-22 12:56:00,765 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:00,769 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:00,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:00,812 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:00,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:00,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:00,813 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:00,813 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:00,813 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:00,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:00,813 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-11-22 12:56:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:56:00,833 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:00,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:00,834 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:00,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:00,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1115478788, now seen corresponding path program 1 times [2020-11-22 12:56:00,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:00,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584476685] [2020-11-22 12:56:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:01,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584476685] [2020-11-22 12:56:01,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:01,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:56:01,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259164236] [2020-11-22 12:56:01,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:01,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:56:01,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:01,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:01,074 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-11-22 12:56:01,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:01,095 INFO L93 Difference]: Finished difference Result 49 states and 79 transitions. [2020-11-22 12:56:01,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:01,097 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 12:56:01,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:01,115 INFO L225 Difference]: With dead ends: 49 [2020-11-22 12:56:01,115 INFO L226 Difference]: Without dead ends: 23 [2020-11-22 12:56:01,118 INFO L677 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 [2020-11-22 12:56:01,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-22 12:56:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-22 12:56:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-22 12:56:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-11-22 12:56:01,149 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 10 [2020-11-22 12:56:01,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:01,149 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-22 12:56:01,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-11-22 12:56:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 12:56:01,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:01,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:01,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:56:01,151 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:01,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:01,152 INFO L82 PathProgramCache]: Analyzing trace with hash -289726039, now seen corresponding path program 1 times [2020-11-22 12:56:01,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:01,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091667020] [2020-11-22 12:56:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:01,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:01,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:01,340 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:56:01,340 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:01,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:56:01,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:01 BoogieIcfgContainer [2020-11-22 12:56:01,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:01,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:01,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:01,380 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:01,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00" (3/4) ... [2020-11-22 12:56:01,383 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:56:01,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:01,387 INFO L168 Benchmark]: Toolchain (without parser) took 1932.20 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 50.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,388 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:01,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.17 ms. Allocated memory is still 86.0 MB. Free memory was 54.1 MB in the beginning and 63.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.59 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 61.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,391 INFO L168 Benchmark]: Boogie Preprocessor took 36.46 ms. Allocated memory is still 86.0 MB. Free memory was 61.5 MB in the beginning and 60.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,392 INFO L168 Benchmark]: RCFGBuilder took 861.27 ms. Allocated memory is still 86.0 MB. Free memory was 60.0 MB in the beginning and 36.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,393 INFO L168 Benchmark]: TraceAbstraction took 642.32 ms. Allocated memory is still 86.0 MB. Free memory was 36.1 MB in the beginning and 50.7 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:01,393 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 86.0 MB. Free memory is still 50.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:01,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.17 ms. Allocated memory is still 86.0 MB. Free memory was 54.1 MB in the beginning and 63.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.59 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 61.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.46 ms. Allocated memory is still 86.0 MB. Free memory was 61.5 MB in the beginning and 60.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 861.27 ms. Allocated memory is still 86.0 MB. Free memory was 60.0 MB in the beginning and 36.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 642.32 ms. Allocated memory is still 86.0 MB. Free memory was 36.1 MB in the beginning and 50.7 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.82 ms. Allocated memory is still 86.0 MB. Free memory is still 50.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L83] double x = 0.0; [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) [L49] COND TRUE exponent_less_1023 > 51 [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; [L84] double res = trunc_double(x); [L87] EXPR res == 0.0 && __signbit_double(res) == 0 [L87] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1072b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 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=25occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-22 12:56:03,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:03,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:03,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:03,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:03,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:03,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:03,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:03,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:03,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:03,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:03,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:03,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:03,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:03,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:03,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:03,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:03,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:03,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:03,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:03,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:03,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:03,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:03,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:03,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:03,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:03,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:03,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:03,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:03,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:03,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:03,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:03,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:03,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:03,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:03,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:03,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:03,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:03,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:03,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:03,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:03,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:03,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:03,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:03,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:03,973 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:03,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:03,974 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:03,974 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:03,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:03,974 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:03,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:03,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:03,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:03,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:03,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:03,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:03,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:03,976 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:03,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:03,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:03,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:03,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:03,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:03,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:03,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:03,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:03,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:03,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:03,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:03,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:03,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:03,979 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 777c7562805902004290a0dc1b0fc10a1576c196 [2020-11-22 12:56:04,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:04,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:04,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:04,438 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:04,440 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:04,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-11-22 12:56:04,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/6b172e950/556afa0e69eb449e8f14a5dcd66dc0f5/FLAG545bb11f7 [2020-11-22 12:56:04,971 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:04,972 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-11-22 12:56:04,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/6b172e950/556afa0e69eb449e8f14a5dcd66dc0f5/FLAG545bb11f7 [2020-11-22 12:56:05,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/data/6b172e950/556afa0e69eb449e8f14a5dcd66dc0f5 [2020-11-22 12:56:05,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:05,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:05,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:05,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:05,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:05,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7559b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05, skipping insertion in model container [2020-11-22 12:56:05,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:05,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:05,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:05,649 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:05,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:05,714 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:05,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05 WrapperNode [2020-11-22 12:56:05,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:05,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:05,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:05,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:05,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:05,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:05,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:05,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:05,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... [2020-11-22 12:56:05,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:05,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:05,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:05,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:05,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/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 [2020-11-22 12:56:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-22 12:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-22 12:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:06,636 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:06,636 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-22 12:56:06,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:06 BoogieIcfgContainer [2020-11-22 12:56:06,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:06,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:06,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:06,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:06,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:05" (1/3) ... [2020-11-22 12:56:06,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2e2da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:06, skipping insertion in model container [2020-11-22 12:56:06,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:05" (2/3) ... [2020-11-22 12:56:06,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2e2da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:06, skipping insertion in model container [2020-11-22 12:56:06,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:06" (3/3) ... [2020-11-22 12:56:06,649 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2020-11-22 12:56:06,660 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:06,664 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:06,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:06,714 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:06,714 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:06,714 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:06,715 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:06,715 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:06,715 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:06,715 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:06,716 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-11-22 12:56:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 12:56:06,735 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:06,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:06,736 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:06,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2020-11-22 12:56:06,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:06,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025300776] [2020-11-22 12:56:06,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/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 [2020-11-22 12:56:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:06,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:06,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:06,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:06,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025300776] [2020-11-22 12:56:06,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:06,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:06,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849500341] [2020-11-22 12:56:06,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:06,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:06,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:06,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:06,969 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-11-22 12:56:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:06,996 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2020-11-22 12:56:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:06,997 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-22 12:56:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:07,010 INFO L225 Difference]: With dead ends: 55 [2020-11-22 12:56:07,010 INFO L226 Difference]: Without dead ends: 25 [2020-11-22 12:56:07,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:07,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-22 12:56:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-22 12:56:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-22 12:56:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-11-22 12:56:07,062 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2020-11-22 12:56:07,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:07,062 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-11-22 12:56:07,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:07,062 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-11-22 12:56:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 12:56:07,063 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:07,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:07,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:07,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:07,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:07,288 INFO L82 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2020-11-22 12:56:07,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:07,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320261725] [2020-11-22 12:56:07,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/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 [2020-11-22 12:56:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:07,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-22 12:56:07,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:07,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:07,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320261725] [2020-11-22 12:56:07,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:07,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:56:07,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358491795] [2020-11-22 12:56:07,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:56:07,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:07,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:56:07,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:56:07,676 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-11-22 12:56:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:07,851 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-11-22 12:56:07,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:56:07,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-11-22 12:56:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:07,853 INFO L225 Difference]: With dead ends: 35 [2020-11-22 12:56:07,853 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 12:56:07,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-22 12:56:07,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 12:56:07,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 12:56:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 12:56:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-22 12:56:07,860 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 12 [2020-11-22 12:56:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:07,860 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-22 12:56:07,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:56:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-22 12:56:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-22 12:56:07,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:07,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:08,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:08,062 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:08,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:08,063 INFO L82 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2020-11-22 12:56:08,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:08,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874876579] [2020-11-22 12:56:08,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/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 [2020-11-22 12:56:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:08,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-22 12:56:08,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:08,250 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2020-11-22 12:56:08,257 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-22 12:56:08,262 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:08,262 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:08,272 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:08,272 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:08,273 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-11-22 12:56:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:08,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:08,387 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2020-11-22 12:56:08,391 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-22 12:56:08,411 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:08,411 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:08,414 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:08,414 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:08,414 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-11-22 12:56:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:08,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874876579] [2020-11-22 12:56:08,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:08,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-22 12:56:08,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857508736] [2020-11-22 12:56:08,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:56:08,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:08,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:56:08,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:56:08,439 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-11-22 12:56:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:08,764 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-22 12:56:08,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:56:08,767 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-22 12:56:08,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:08,767 INFO L225 Difference]: With dead ends: 22 [2020-11-22 12:56:08,767 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 12:56:08,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:56:08,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 12:56:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 12:56:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 12:56:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-22 12:56:08,773 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-11-22 12:56:08,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:08,774 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-22 12:56:08,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:56:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-22 12:56:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:56:08,774 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:08,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:08,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:08,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:08,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:08,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2020-11-22 12:56:08,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:08,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007564955] [2020-11-22 12:56:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:09,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-22 12:56:09,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:09,185 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2020-11-22 12:56:09,199 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-22 12:56:09,202 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:09,203 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:09,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:09,211 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:09,211 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2020-11-22 12:56:09,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:56:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:09,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:09,685 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2020-11-22 12:56:09,691 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-22 12:56:09,695 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:09,696 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-22 12:56:09,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-22 12:56:09,711 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-22 12:56:09,711 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2020-11-22 12:56:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:09,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007564955] [2020-11-22 12:56:09,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:09,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-11-22 12:56:09,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206438458] [2020-11-22 12:56:09,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-22 12:56:09,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:09,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-22 12:56:09,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-11-22 12:56:09,945 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2020-11-22 12:56:10,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:10,423 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-22 12:56:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-22 12:56:10,424 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2020-11-22 12:56:10,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:10,424 INFO L225 Difference]: With dead ends: 19 [2020-11-22 12:56:10,424 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:56:10,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-11-22 12:56:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:56:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:56:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:56:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:56:10,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-22 12:56:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:10,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:56:10,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-22 12:56:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:56:10,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:10,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:56:10,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:11,052 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-11-22 12:56:11,058 INFO L270 CegarLoopResult]: At program point L73(lines 64 74) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)))) (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3)))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_#res|) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53))) [2020-11-22 12:56:11,058 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:11,058 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:11,058 INFO L274 CegarLoopResult]: For program point L32(lines 32 60) no Hoare annotation was computed. [2020-11-22 12:56:11,059 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:11,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:11,059 INFO L270 CegarLoopResult]: At program point L61(lines 19 62) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_#res|) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_4)) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)))))) [2020-11-22 12:56:11,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:11,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:11,059 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-11-22 12:56:11,059 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) [2020-11-22 12:56:11,059 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L270 CegarLoopResult]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L33(lines 33 48) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2020-11-22 12:56:11,060 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2020-11-22 12:56:11,060 INFO L274 CegarLoopResult]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2020-11-22 12:56:11,061 INFO L274 CegarLoopResult]: For program point L50(lines 50 52) no Hoare annotation was computed. [2020-11-22 12:56:11,061 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-11-22 12:56:11,061 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-11-22 12:56:11,061 INFO L270 CegarLoopResult]: At program point L67-2(lines 67 71) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) |ULTIMATE.start_main_#t~short21| (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_#res|) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_4)) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53))) [2020-11-22 12:56:11,061 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_4)) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)))))) [2020-11-22 12:56:11,061 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2020-11-22 12:56:11,061 INFO L277 CegarLoopResult]: At program point L92(lines 76 93) the Hoare annotation is: true [2020-11-22 12:56:11,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:11 BoogieIcfgContainer [2020-11-22 12:56:11,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:11,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:11,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:11,104 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:11,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:06" (3/4) ... [2020-11-22 12:56:11,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:11,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-22 12:56:11,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-22 12:56:11,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:56:11,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:11,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0])) [2020-11-22 12:56:11,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0])) [2020-11-22 12:56:11,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && x == ~Pluszero~LONGDOUBLE() [2020-11-22 12:56:11,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && msw == v_skolemized_v_prenex_2_3[63:32]) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && \result == 0bv32) && (\exists v_skolemized_v_prenex_3_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_3[63:63], v_skolemized_v_prenex_3_3[62:52], v_skolemized_v_prenex_3_3[51:0]) && msw == v_skolemized_v_prenex_3_3[63:32])) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE() [2020-11-22 12:56:11,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f283bbd8-a8db-4c46-85a3-384ed893dc63/bin/utaipan/witness.graphml [2020-11-22 12:56:11,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:11,170 INFO L168 Benchmark]: Toolchain (without parser) took 5803.19 ms. Allocated memory was 54.5 MB in the beginning and 92.3 MB in the end (delta: 37.7 MB). Free memory was 33.3 MB in the beginning and 42.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:11,171 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:11,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.43 ms. Allocated memory is still 54.5 MB. Free memory was 33.1 MB in the beginning and 21.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:11,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.23 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 21.7 MB in the beginning and 58.7 MB in the end (delta: -37.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:11,172 INFO L168 Benchmark]: Boogie Preprocessor took 50.12 ms. Allocated memory is still 75.5 MB. Free memory was 58.7 MB in the beginning and 56.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:11,173 INFO L168 Benchmark]: RCFGBuilder took 796.17 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 55.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:11,173 INFO L168 Benchmark]: TraceAbstraction took 4461.87 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 55.0 MB in the beginning and 45.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:11,174 INFO L168 Benchmark]: Witness Printer took 65.08 ms. Allocated memory is still 92.3 MB. Free memory was 45.9 MB in the beginning and 42.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:11,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 346.43 ms. Allocated memory is still 54.5 MB. Free memory was 33.1 MB in the beginning and 21.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.23 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 21.7 MB in the beginning and 58.7 MB in the end (delta: -37.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.12 ms. Allocated memory is still 75.5 MB. Free memory was 58.7 MB in the beginning and 56.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 796.17 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 55.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4461.87 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 55.0 MB in the beginning and 45.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. * Witness Printer took 65.08 ms. Allocated memory is still 92.3 MB. Free memory was 45.9 MB in the beginning and 42.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 34]: Loop Invariant [2020-11-22 12:56:11,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0])) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 67]: Loop Invariant [2020-11-22 12:56:11,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: ((((((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2020-11-22 12:56:11,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: (((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0])) - InvariantResult [Line: 64]: Loop Invariant [2020-11-22 12:56:11,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-22 12:56:11,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: (((((((((\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && msw == v_skolemized_v_prenex_2_3[63:32]) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && \result == 0bv32) && (\exists v_skolemized_v_prenex_3_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_3[63:63], v_skolemized_v_prenex_3_3[62:52], v_skolemized_v_prenex_3_3[51:0]) && msw == v_skolemized_v_prenex_3_3[63:32])) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]))) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 162 SDslu, 76 SDs, 0 SdLazy, 76 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 275 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 242 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 28 QuantifiedInterpolants, 10554 SizeOfPredicates, 29 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...