./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 cff56ef2177d4a827b720aa6155a34e4f93cd99b ................................................................................................................................................................................................................................................................................................... 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_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 cff56ef2177d4a827b720aa6155a34e4f93cd99b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:51:37,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:51:37,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:51:37,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:51:37,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:51:37,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:51:37,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:51:37,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:51:37,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:51:37,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:51:37,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:51:37,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:51:37,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:51:37,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:51:37,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:51:37,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:51:37,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:51:37,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:51:37,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:51:37,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:51:37,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:51:37,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:51:37,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:51:37,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:51:37,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:51:37,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:51:37,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:51:37,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:51:37,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:51:37,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:51:37,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:51:37,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:51:37,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:51:37,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:51:37,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:51:37,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:51:37,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:51:37,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:51:37,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:51:37,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:51:37,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:51:37,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:51:37,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:51:37,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:51:37,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:51:37,594 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:51:37,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:51:37,594 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:51:37,594 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:51:37,594 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:51:37,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:51:37,595 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:51:37,595 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:51:37,595 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:51:37,595 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:51:37,595 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:51:37,595 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:51:37,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:51:37,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:51:37,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:51:37,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:51:37,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:51:37,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:51:37,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:51:37,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:51:37,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:51:37,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:51:37,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:51:37,598 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_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cff56ef2177d4a827b720aa6155a34e4f93cd99b [2020-12-09 16:51:37,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:51:37,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:51:37,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:51:37,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:51:37,800 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:51:37,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2020-12-09 16:51:37,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/ec2110367/f47764ff301d4054a4f4aea498b831dd/FLAG6d7ca2f90 [2020-12-09 16:51:38,205 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:51:38,205 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2020-12-09 16:51:38,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/ec2110367/f47764ff301d4054a4f4aea498b831dd/FLAG6d7ca2f90 [2020-12-09 16:51:38,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/ec2110367/f47764ff301d4054a4f4aea498b831dd [2020-12-09 16:51:38,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:51:38,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:51:38,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:51:38,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:51:38,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:51:38,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9c2823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38, skipping insertion in model container [2020-12-09 16:51:38,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:51:38,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:51:38,353 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2020-12-09 16:51:38,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:51:38,362 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:51:38,377 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2020-12-09 16:51:38,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:51:38,388 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:51:38,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38 WrapperNode [2020-12-09 16:51:38,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:51:38,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:51:38,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:51:38,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:51:38,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:51:38,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:51:38,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:51:38,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:51:38,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... [2020-12-09 16:51:38,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:51:38,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:51:38,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:51:38,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:51:38,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 [2020-12-09 16:51:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 16:51:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:51:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 16:51:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 16:51:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 16:51:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:51:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:51:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 16:51:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:51:38,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:51:38,727 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 16:51:38,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:38 BoogieIcfgContainer [2020-12-09 16:51:38,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:51:38,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:51:38,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:51:38,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:51:38,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:51:38" (1/3) ... [2020-12-09 16:51:38,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2930e280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:38, skipping insertion in model container [2020-12-09 16:51:38,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:38" (2/3) ... [2020-12-09 16:51:38,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2930e280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:38, skipping insertion in model container [2020-12-09 16:51:38,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:38" (3/3) ... [2020-12-09 16:51:38,736 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a.c [2020-12-09 16:51:38,749 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:51:38,751 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:51:38,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:51:38,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:51:38,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:51:38,786 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:51:38,786 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:51:38,786 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:51:38,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:51:38,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:51:38,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:51:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-09 16:51:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:51:38,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:51:38,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:51:38,801 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:51:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:51:38,805 INFO L82 PathProgramCache]: Analyzing trace with hash -2146411944, now seen corresponding path program 1 times [2020-12-09 16:51:38,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:51:38,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457765981] [2020-12-09 16:51:38,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:51:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:51:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:51:38,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457765981] [2020-12-09 16:51:38,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:51:38,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:51:38,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521431040] [2020-12-09 16:51:38,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:51:38,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:51:38,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:51:38,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:51:38,917 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-12-09 16:51:38,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:51:38,928 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2020-12-09 16:51:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:51:38,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 16:51:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:51:38,934 INFO L225 Difference]: With dead ends: 39 [2020-12-09 16:51:38,935 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 16:51:38,936 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 [2020-12-09 16:51:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 16:51:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 16:51:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 16:51:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-12-09 16:51:38,958 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 8 [2020-12-09 16:51:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:51:38,958 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-12-09 16:51:38,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:51:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-12-09 16:51:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 16:51:38,959 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:51:38,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:51:38,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 16:51:38,959 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:51:38,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:51:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash 522958271, now seen corresponding path program 1 times [2020-12-09 16:51:38,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:51:38,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55268232] [2020-12-09 16:51:38,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:51:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:51:38,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:51:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:51:39,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:51:39,044 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 16:51:39,044 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 16:51:39,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 16:51:39,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:51:39 BoogieIcfgContainer [2020-12-09 16:51:39,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:51:39,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:51:39,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:51:39,064 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:51:39,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:38" (3/4) ... [2020-12-09 16:51:39,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 16:51:39,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:51:39,072 INFO L168 Benchmark]: Toolchain (without parser) took 842.41 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 61.5 MB in the beginning and 83.0 MB in the end (delta: -21.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:39,072 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:51:39,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.08 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 50.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:39,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.28 ms. Allocated memory is still 81.8 MB. Free memory was 50.8 MB in the beginning and 49.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:39,074 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 81.8 MB. Free memory was 49.3 MB in the beginning and 47.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:51:39,075 INFO L168 Benchmark]: RCFGBuilder took 293.61 ms. Allocated memory is still 81.8 MB. Free memory was 47.8 MB in the beginning and 47.5 MB in the end (delta: 236.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:39,076 INFO L168 Benchmark]: TraceAbstraction took 332.49 ms. Allocated memory is still 81.8 MB. Free memory was 47.1 MB in the beginning and 57.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:39,076 INFO L168 Benchmark]: Witness Printer took 6.31 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 57.0 MB in the beginning and 83.0 MB in the end (delta: -26.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:39,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 160.08 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 50.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.28 ms. Allocated memory is still 81.8 MB. Free memory was 50.8 MB in the beginning and 49.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 81.8 MB. Free memory was 49.3 MB in the beginning and 47.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 293.61 ms. Allocated memory is still 81.8 MB. Free memory was 47.8 MB in the beginning and 47.5 MB in the end (delta: 236.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 332.49 ms. Allocated memory is still 81.8 MB. Free memory was 47.1 MB in the beginning and 57.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.31 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 57.0 MB in the beginning and 83.0 MB in the end (delta: -26.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 82]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L77] float x = 0.0f; [L15] __uint32_t w; [L17] int exponent_less_127; [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (w) = gf_u.word [L25] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L27] COND FALSE !(exponent_less_127 < 23) [L43] COND TRUE exponent_less_127 == 128 [L45] return x + x; [L78] float res = round_float(x); [L81] EXPR res == 0.0f && __signbit_float(res) == 0 [L81] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L82] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 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=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.2.0-7b2dab5 [2020-12-09 16:51:40,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:51:40,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:51:40,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:51:40,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:51:40,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:51:40,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:51:40,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:51:40,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:51:40,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:51:40,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:51:40,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:51:40,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:51:40,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:51:40,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:51:40,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:51:40,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:51:40,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:51:40,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:51:40,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:51:40,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:51:40,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:51:40,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:51:40,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:51:40,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:51:40,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:51:40,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:51:40,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:51:40,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:51:40,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:51:40,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:51:40,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:51:40,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:51:40,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:51:40,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:51:40,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:51:40,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:51:40,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:51:40,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:51:40,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:51:40,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:51:40,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 16:51:40,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:51:40,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:51:40,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:51:40,787 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:51:40,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:51:40,787 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:51:40,787 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:51:40,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:51:40,788 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:51:40,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:51:40,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:51:40,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:51:40,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:51:40,790 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:51:40,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:51:40,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:51:40,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:51:40,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:51:40,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:51:40,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:51:40,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:51:40,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:51:40,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:51:40,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:51:40,791 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:51:40,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:51:40,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:51:40,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:51:40,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:51:40,792 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_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cff56ef2177d4a827b720aa6155a34e4f93cd99b [2020-12-09 16:51:41,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:51:41,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:51:41,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:51:41,030 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:51:41,030 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:51:41,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2020-12-09 16:51:41,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/47cd838e8/c7bef6ce6b384171a6cff1e0a6f06781/FLAGa17df3c65 [2020-12-09 16:51:41,435 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:51:41,436 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2020-12-09 16:51:41,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/47cd838e8/c7bef6ce6b384171a6cff1e0a6f06781/FLAGa17df3c65 [2020-12-09 16:51:41,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/data/47cd838e8/c7bef6ce6b384171a6cff1e0a6f06781 [2020-12-09 16:51:41,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:51:41,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:51:41,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:51:41,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:51:41,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:51:41,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f19952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41, skipping insertion in model container [2020-12-09 16:51:41,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:51:41,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:51:41,584 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2020-12-09 16:51:41,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:51:41,595 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:51:41,619 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2020-12-09 16:51:41,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:51:41,638 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:51:41,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41 WrapperNode [2020-12-09 16:51:41,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:51:41,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:51:41,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:51:41,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:51:41,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:51:41,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:51:41,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:51:41,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:51:41,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... [2020-12-09 16:51:41,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:51:41,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:51:41,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:51:41,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:51:41,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 [2020-12-09 16:51:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:51:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 16:51:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:51:41,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:51:41,998 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 16:51:41,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:41 BoogieIcfgContainer [2020-12-09 16:51:41,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:51:42,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:51:42,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:51:42,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:51:42,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:51:41" (1/3) ... [2020-12-09 16:51:42,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59da504d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:42, skipping insertion in model container [2020-12-09 16:51:42,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:41" (2/3) ... [2020-12-09 16:51:42,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59da504d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:51:42, skipping insertion in model container [2020-12-09 16:51:42,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:41" (3/3) ... [2020-12-09 16:51:42,007 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a.c [2020-12-09 16:51:42,021 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:51:42,024 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:51:42,033 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:51:42,051 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:51:42,052 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:51:42,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:51:42,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:51:42,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:51:42,052 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:51:42,052 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:51:42,052 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:51:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-12-09 16:51:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 16:51:42,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:51:42,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:51:42,066 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:51:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:51:42,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1590452317, now seen corresponding path program 1 times [2020-12-09 16:51:42,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:51:42,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939502176] [2020-12-09 16:51:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 [2020-12-09 16:51:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:51:42,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 16:51:42,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:51:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:51:42,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:51:42,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939502176] [2020-12-09 16:51:42,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:51:42,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:51:42,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047193630] [2020-12-09 16:51:42,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:51:42,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:51:42,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:51:42,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:51:42,195 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-12-09 16:51:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:51:42,207 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2020-12-09 16:51:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:51:42,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 16:51:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:51:42,215 INFO L225 Difference]: With dead ends: 48 [2020-12-09 16:51:42,215 INFO L226 Difference]: Without dead ends: 22 [2020-12-09 16:51:42,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:51:42,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-09 16:51:42,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-12-09 16:51:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-09 16:51:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-12-09 16:51:42,240 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 10 [2020-12-09 16:51:42,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:51:42,240 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-12-09 16:51:42,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:51:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-12-09 16:51:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 16:51:42,241 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:51:42,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:51:42,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:51:42,442 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:51:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:51:42,443 INFO L82 PathProgramCache]: Analyzing trace with hash -744854880, now seen corresponding path program 1 times [2020-12-09 16:51:42,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:51:42,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706990479] [2020-12-09 16:51:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 [2020-12-09 16:51:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:51:42,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:51:42,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:51:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:51:42,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:51:42,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706990479] [2020-12-09 16:51:42,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:51:42,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:51:42,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515333975] [2020-12-09 16:51:42,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:51:42,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:51:42,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:51:42,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:51:42,583 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand 5 states. [2020-12-09 16:51:42,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:51:42,650 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2020-12-09 16:51:42,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 16:51:42,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-09 16:51:42,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:51:42,651 INFO L225 Difference]: With dead ends: 34 [2020-12-09 16:51:42,651 INFO L226 Difference]: Without dead ends: 20 [2020-12-09 16:51:42,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:51:42,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-09 16:51:42,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-09 16:51:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-09 16:51:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2020-12-09 16:51:42,660 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2020-12-09 16:51:42,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:51:42,660 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2020-12-09 16:51:42,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:51:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2020-12-09 16:51:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 16:51:42,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:51:42,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:51:42,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:51:42,862 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:51:42,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:51:42,865 INFO L82 PathProgramCache]: Analyzing trace with hash 3095257, now seen corresponding path program 1 times [2020-12-09 16:51:42,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:51:42,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151375216] [2020-12-09 16:51:42,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 [2020-12-09 16:51:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:51:43,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 16:51:43,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:51:43,052 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 16:51:43,053 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:51:43,061 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:51:43,064 INFO L547 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. [2020-12-09 16:51:43,064 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:29 [2020-12-09 16:51:43,121 INFO L382 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 43 treesize of output 19 [2020-12-09 16:51:43,122 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 16:51:43,128 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:51:43,129 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 16:51:43,130 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:19 [2020-12-09 16:51:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:51:43,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:51:43,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151375216] [2020-12-09 16:51:43,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:51:43,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 16:51:43,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196352461] [2020-12-09 16:51:43,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:51:43,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:51:43,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:51:43,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 16:51:43,164 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 6 states. [2020-12-09 16:51:43,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:51:43,278 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2020-12-09 16:51:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 16:51:43,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-09 16:51:43,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:51:43,279 INFO L225 Difference]: With dead ends: 23 [2020-12-09 16:51:43,280 INFO L226 Difference]: Without dead ends: 20 [2020-12-09 16:51:43,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-09 16:51:43,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-09 16:51:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-09 16:51:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-09 16:51:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2020-12-09 16:51:43,285 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 15 [2020-12-09 16:51:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:51:43,285 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2020-12-09 16:51:43,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:51:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-12-09 16:51:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 16:51:43,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:51:43,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:51:43,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:51:43,488 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:51:43,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:51:43,489 INFO L82 PathProgramCache]: Analyzing trace with hash -318448082, now seen corresponding path program 1 times [2020-12-09 16:51:43,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:51:43,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904688450] [2020-12-09 16:51:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/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 [2020-12-09 16:51:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:51:43,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-09 16:51:43,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:51:43,610 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 16:51:43,611 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:51:43,618 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:51:43,619 INFO L547 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. [2020-12-09 16:51:43,620 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:29 [2020-12-09 16:51:43,676 INFO L348 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2020-12-09 16:51:43,676 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2020-12-09 16:51:43,678 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:51:43,688 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:51:43,691 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 16:51:43,691 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:58, output treesize:54 [2020-12-09 16:51:43,818 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:51:43,819 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 36 [2020-12-09 16:51:43,821 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 16:51:43,827 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:51:43,828 INFO L547 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. [2020-12-09 16:51:43,828 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:25 [2020-12-09 16:51:43,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:51:43,870 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:51:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:51:43,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:51:43,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904688450] [2020-12-09 16:51:43,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:51:43,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-09 16:51:43,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930392727] [2020-12-09 16:51:43,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 16:51:43,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:51:43,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 16:51:43,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-12-09 16:51:43,922 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 11 states. [2020-12-09 16:51:44,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:51:44,384 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2020-12-09 16:51:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 16:51:44,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2020-12-09 16:51:44,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:51:44,385 INFO L225 Difference]: With dead ends: 20 [2020-12-09 16:51:44,385 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 16:51:44,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-12-09 16:51:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 16:51:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 16:51:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 16:51:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 16:51:44,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-12-09 16:51:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:51:44,387 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 16:51:44,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 16:51:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 16:51:44,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 16:51:44,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 16:51:44,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 16:51:44,784 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-12-09 16:51:44,968 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-12-09 16:51:44,971 INFO L262 CegarLoopResult]: For program point L27(lines 27 48) no Hoare annotation was computed. [2020-12-09 16:51:44,971 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2020-12-09 16:51:44,971 INFO L258 CegarLoopResult]: At program point L60-2(lines 60 64) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_7| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_7|) (_ bv0 32))) (.cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse0 .cse1) (= (_ +zero 8 24) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___signbit_float_~x)))) (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_round_float_~exponent_less_127~0 (_ bv127 32)) (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0)) (_ +zero 8 24)))) (= (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0)) (_ +zero 8 24)) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_7| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse3 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_7|) (_ bv0 32))) (.cse2 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse2 .cse3) (= (_ +zero 8 24) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12| (= (_ +zero 8 24) |ULTIMATE.start_round_float_#res|)) [2020-12-09 16:51:44,971 INFO L262 CegarLoopResult]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2020-12-09 16:51:44,971 INFO L262 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L258 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point L81-2(lines 81 84) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point L28(lines 28 41) no Hoare annotation was computed. [2020-12-09 16:51:44,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-12-09 16:51:44,973 INFO L265 CegarLoopResult]: At program point L86(lines 69 87) the Hoare annotation is: true [2020-12-09 16:51:44,973 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-09 16:51:44,973 INFO L262 CegarLoopResult]: For program point L49(lines 49 53) no Hoare annotation was computed. [2020-12-09 16:51:44,973 INFO L262 CegarLoopResult]: For program point L49-1(lines 14 55) no Hoare annotation was computed. [2020-12-09 16:51:44,973 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2020-12-09 16:51:44,973 INFO L258 CegarLoopResult]: At program point L66(lines 57 67) the Hoare annotation is: (and (exists ((v_arrayElimCell_3 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) (= .cse0 (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_7| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_7|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 .cse2) (= (_ +zero 8 24) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) ULTIMATE.start___signbit_float_~x)))) (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_round_float_~exponent_less_127~0 (_ bv127 32)) (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0)) (_ +zero 8 24)))) (= (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0)) (_ +zero 8 24)) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_7| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse4 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_7|) (_ bv0 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse3 .cse4) (= (_ +zero 8 24) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12| (= (_ +zero 8 24) |ULTIMATE.start_round_float_#res|)) [2020-12-09 16:51:44,974 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 16:51:44,974 INFO L258 CegarLoopResult]: At program point L54(lines 14 55) the Hoare annotation is: (and (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_round_float_~exponent_less_127~0 (_ bv127 32)) (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0)) (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= .cse0 ULTIMATE.start_round_float_~w~0)))) (= (_ +zero 8 24) |ULTIMATE.start_round_float_#res|)) [2020-12-09 16:51:44,974 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-12-09 16:51:44,974 INFO L262 CegarLoopResult]: For program point L43(lines 43 47) no Hoare annotation was computed. [2020-12-09 16:51:44,974 INFO L262 CegarLoopResult]: For program point L35(lines 35 37) no Hoare annotation was computed. [2020-12-09 16:51:44,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:44,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:44,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:44,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:51:45 BoogieIcfgContainer [2020-12-09 16:51:45,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:51:45,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:51:45,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:51:45,012 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:51:45,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:51:41" (3/4) ... [2020-12-09 16:51:45,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 16:51:45,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 16:51:45,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 16:51:45,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 16:51:45,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:51:45,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~Pluszero~LONGDOUBLE() && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32] == w)) && ~Pluszero~LONGDOUBLE() == \result [2020-12-09 16:51:45,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == x) && x == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result [2020-12-09 16:51:45,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists v_arrayElimCell_3 : bv32 :: ~fp~LONGDOUBLE(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) && ~fp~LONGDOUBLE(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && x == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && \result == 0bv32) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result [2020-12-09 16:51:45,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ce0a4b76-5d31-4a17-9be8-bda7a5bf4d41/bin/utaipan/witness.graphml [2020-12-09 16:51:45,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:51:45,052 INFO L168 Benchmark]: Toolchain (without parser) took 3598.31 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 35.8 MB in the beginning and 27.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:45,052 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:51:45,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.94 ms. Allocated memory is still 56.6 MB. Free memory was 35.6 MB in the beginning and 39.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:45,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.18 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 37.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:51:45,053 INFO L168 Benchmark]: Boogie Preprocessor took 30.57 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 36.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:45,054 INFO L168 Benchmark]: RCFGBuilder took 295.46 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 36.4 MB in the beginning and 53.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:45,054 INFO L168 Benchmark]: TraceAbstraction took 3009.90 ms. Allocated memory is still 75.5 MB. Free memory was 52.9 MB in the beginning and 30.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:45,054 INFO L168 Benchmark]: Witness Printer took 39.87 ms. Allocated memory is still 75.5 MB. Free memory was 30.0 MB in the beginning and 27.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:51:45,056 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 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 184.94 ms. Allocated memory is still 56.6 MB. Free memory was 35.6 MB in the beginning and 39.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.18 ms. Allocated memory is still 56.6 MB. Free memory was 39.5 MB in the beginning and 37.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.57 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 36.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 295.46 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 36.4 MB in the beginning and 53.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3009.90 ms. Allocated memory is still 75.5 MB. Free memory was 52.9 MB in the beginning and 30.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * Witness Printer took 39.87 ms. Allocated memory is still 75.5 MB. Free memory was 30.0 MB in the beginning and 27.3 MB in the end (delta: 2.7 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_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 60]: Loop Invariant [2020-12-09 16:51:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: ((((((\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == x) && x == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 14]: Loop Invariant [2020-12-09 16:51:45,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_6,QUANTIFIED] Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_6][0bv32] == w)) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 57]: Loop Invariant [2020-12-09 16:51:45,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_7,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] [2020-12-09 16:51:45,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: ((((((((\exists v_arrayElimCell_3 : bv32 :: ~fp~LONGDOUBLE(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) && ~fp~LONGDOUBLE(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && x == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && \result == 0bv32) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_7 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_7][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 99 SDslu, 53 SDs, 0 SdLazy, 89 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 384 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 459 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 20 QuantifiedInterpolants, 12583 SizeOfPredicates, 27 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...