./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.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_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 fe7e30ef8cec89818712ef1a5b90083d064da205 ............................................................................................................................................................................................................................................................................................................ 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 fe7e30ef8cec89818712ef1a5b90083d064da205 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:57:28,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 13:57:28,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 13:57:28,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 13:57:28,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 13:57:28,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 13:57:28,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 13:57:28,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 13:57:28,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 13:57:28,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 13:57:28,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 13:57:28,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 13:57:28,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 13:57:28,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 13:57:28,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 13:57:28,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 13:57:28,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 13:57:28,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 13:57:28,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 13:57:28,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 13:57:28,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 13:57:28,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 13:57:28,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 13:57:28,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 13:57:28,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 13:57:28,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 13:57:28,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 13:57:28,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 13:57:28,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 13:57:28,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 13:57:28,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 13:57:28,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 13:57:28,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 13:57:28,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 13:57:28,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 13:57:28,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 13:57:28,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 13:57:28,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 13:57:28,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 13:57:28,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 13:57:28,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 13:57:28,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 13:57:28,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 13:57:28,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 13:57:28,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 13:57:28,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 13:57:28,678 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 13:57:28,679 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 13:57:28,679 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 13:57:28,679 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 13:57:28,679 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 13:57:28,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 13:57:28,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 13:57:28,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 13:57:28,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 13:57:28,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 13:57:28,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 13:57:28,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 13:57:28,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 13:57:28,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 13:57:28,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 13:57:28,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 13:57:28,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 13:57:28,683 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7e30ef8cec89818712ef1a5b90083d064da205 [2020-12-09 13:57:28,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 13:57:28,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 13:57:28,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 13:57:28,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 13:57:28,896 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 13:57:28,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2020-12-09 13:57:28,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/af663e05a/7657178011fd40fab9c920d04332fec6/FLAG83abfd6bc [2020-12-09 13:57:29,311 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 13:57:29,312 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2020-12-09 13:57:29,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/af663e05a/7657178011fd40fab9c920d04332fec6/FLAG83abfd6bc [2020-12-09 13:57:29,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/af663e05a/7657178011fd40fab9c920d04332fec6 [2020-12-09 13:57:29,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 13:57:29,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 13:57:29,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 13:57:29,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 13:57:29,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 13:57:29,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c19de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29, skipping insertion in model container [2020-12-09 13:57:29,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 13:57:29,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 13:57:29,498 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c[3250,3263] [2020-12-09 13:57:29,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 13:57:29,506 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 13:57:29,531 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c[3250,3263] [2020-12-09 13:57:29,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 13:57:29,542 INFO L208 MainTranslator]: Completed translation [2020-12-09 13:57:29,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29 WrapperNode [2020-12-09 13:57:29,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 13:57:29,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 13:57:29,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 13:57:29,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 13:57:29,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 13:57:29,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 13:57:29,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 13:57:29,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 13:57:29,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... [2020-12-09 13:57:29,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 13:57:29,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 13:57:29,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 13:57:29,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 13:57:29,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 13:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 13:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 13:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 13:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 13:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 13:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 13:57:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 13:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 13:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 13:57:29,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 13:57:29,987 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 13:57:29,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:57:29 BoogieIcfgContainer [2020-12-09 13:57:29,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 13:57:29,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 13:57:29,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 13:57:29,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 13:57:29,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:57:29" (1/3) ... [2020-12-09 13:57:29,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af3a8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:57:29, skipping insertion in model container [2020-12-09 13:57:29,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:29" (2/3) ... [2020-12-09 13:57:29,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af3a8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:57:29, skipping insertion in model container [2020-12-09 13:57:29,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:57:29" (3/3) ... [2020-12-09 13:57:29,995 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920b.c [2020-12-09 13:57:30,007 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 13:57:30,009 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 13:57:30,017 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 13:57:30,035 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 13:57:30,035 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 13:57:30,035 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 13:57:30,035 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 13:57:30,035 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 13:57:30,035 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 13:57:30,035 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 13:57:30,035 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 13:57:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-09 13:57:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 13:57:30,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:57:30,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:57:30,048 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:57:30,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:57:30,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1549312559, now seen corresponding path program 1 times [2020-12-09 13:57:30,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:57:30,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177889793] [2020-12-09 13:57:30,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:57:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:57:30,184 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 13:57:30,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177889793] [2020-12-09 13:57:30,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 13:57:30,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 13:57:30,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210511351] [2020-12-09 13:57:30,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 13:57:30,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 13:57:30,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 13:57:30,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 13:57:30,199 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-12-09 13:57:30,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:57:30,209 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2020-12-09 13:57:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 13:57:30,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-09 13:57:30,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:57:30,216 INFO L225 Difference]: With dead ends: 39 [2020-12-09 13:57:30,216 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 13:57:30,218 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 13:57:30,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 13:57:30,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 13:57:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 13:57:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-12-09 13:57:30,240 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 7 [2020-12-09 13:57:30,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:57:30,240 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-12-09 13:57:30,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 13:57:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-12-09 13:57:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 13:57:30,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:57:30,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:57:30,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 13:57:30,241 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:57:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:57:30,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1444622012, now seen corresponding path program 1 times [2020-12-09 13:57:30,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:57:30,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217746350] [2020-12-09 13:57:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:57:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 13:57:30,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 13:57:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 13:57:30,295 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 13:57:30,312 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 13:57:30,312 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 13:57:30,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 13:57:30,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:57:30 BoogieIcfgContainer [2020-12-09 13:57:30,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 13:57:30,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 13:57:30,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 13:57:30,333 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 13:57:30,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:57:29" (3/4) ... [2020-12-09 13:57:30,336 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 13:57:30,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 13:57:30,338 INFO L168 Benchmark]: Toolchain (without parser) took 1003.64 ms. Allocated memory is still 119.5 MB. Free memory was 82.5 MB in the beginning and 82.0 MB in the end (delta: 460.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 13:57:30,338 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 119.5 MB. Free memory is still 98.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 13:57:30,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.20 ms. Allocated memory is still 119.5 MB. Free memory was 82.2 MB in the beginning and 93.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:30,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.06 ms. Allocated memory is still 119.5 MB. Free memory was 93.4 MB in the beginning and 91.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:30,340 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 119.5 MB. Free memory was 91.3 MB in the beginning and 89.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:30,341 INFO L168 Benchmark]: RCFGBuilder took 395.26 ms. Allocated memory is still 119.5 MB. Free memory was 89.7 MB in the beginning and 57.7 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:30,341 INFO L168 Benchmark]: TraceAbstraction took 341.99 ms. Allocated memory is still 119.5 MB. Free memory was 57.7 MB in the beginning and 82.1 MB in the end (delta: -24.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 13:57:30,342 INFO L168 Benchmark]: Witness Printer took 3.04 ms. Allocated memory is still 119.5 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 13:57:30,344 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 119.5 MB. Free memory is still 98.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 208.20 ms. Allocated memory is still 119.5 MB. Free memory was 82.2 MB in the beginning and 93.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.06 ms. Allocated memory is still 119.5 MB. Free memory was 93.4 MB in the beginning and 91.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 119.5 MB. Free memory was 91.3 MB in the beginning and 89.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 395.26 ms. Allocated memory is still 119.5 MB. Free memory was 89.7 MB in the beginning and 57.7 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 341.99 ms. Allocated memory is still 119.5 MB. Free memory was 57.7 MB in the beginning and 82.1 MB in the end (delta: -24.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.04 ms. Allocated memory is still 119.5 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 127]: 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 113, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 45. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L122] float x = -1.0f / 0.0f; [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (ix) = gf_u.word [L44] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L123] float res = __ieee754_logf(x); [L113] return x != x; [L126] COND TRUE !isnan_float(res) [L127] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 13:57:32,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 13:57:32,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 13:57:32,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 13:57:32,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 13:57:32,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 13:57:32,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 13:57:32,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 13:57:32,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 13:57:32,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 13:57:32,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 13:57:32,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 13:57:32,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 13:57:32,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 13:57:32,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 13:57:32,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 13:57:32,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 13:57:32,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 13:57:32,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 13:57:32,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 13:57:32,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 13:57:32,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 13:57:32,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 13:57:32,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 13:57:32,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 13:57:32,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 13:57:32,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 13:57:32,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 13:57:32,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 13:57:32,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 13:57:32,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 13:57:32,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 13:57:32,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 13:57:32,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 13:57:32,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 13:57:32,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 13:57:32,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 13:57:32,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 13:57:32,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 13:57:32,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 13:57:32,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 13:57:32,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 13:57:32,134 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 13:57:32,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 13:57:32,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 13:57:32,135 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 13:57:32,135 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 13:57:32,135 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 13:57:32,135 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 13:57:32,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 13:57:32,135 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 13:57:32,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 13:57:32,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 13:57:32,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 13:57:32,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 13:57:32,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 13:57:32,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 13:57:32,138 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 13:57:32,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 13:57:32,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 13:57:32,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 13:57:32,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 13:57:32,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 13:57:32,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 13:57:32,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 13:57:32,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 13:57:32,139 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 13:57:32,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 13:57:32,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 13:57:32,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 13:57:32,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 13:57:32,140 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7e30ef8cec89818712ef1a5b90083d064da205 [2020-12-09 13:57:32,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 13:57:32,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 13:57:32,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 13:57:32,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 13:57:32,373 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 13:57:32,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2020-12-09 13:57:32,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/8c0090c5c/0df23cbbde75454b9660f3367f1a8b99/FLAG637a12dd1 [2020-12-09 13:57:32,794 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 13:57:32,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2020-12-09 13:57:32,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/8c0090c5c/0df23cbbde75454b9660f3367f1a8b99/FLAG637a12dd1 [2020-12-09 13:57:32,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/data/8c0090c5c/0df23cbbde75454b9660f3367f1a8b99 [2020-12-09 13:57:32,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 13:57:32,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 13:57:32,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 13:57:32,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 13:57:32,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 13:57:32,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:57:32" (1/1) ... [2020-12-09 13:57:32,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ecc0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:32, skipping insertion in model container [2020-12-09 13:57:32,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:57:32" (1/1) ... [2020-12-09 13:57:32,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 13:57:32,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 13:57:32,956 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c[3250,3263] [2020-12-09 13:57:32,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 13:57:32,968 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 13:57:33,010 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_1debcc8a-2030-4f14-aaa1-b2ff85116843/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c[3250,3263] [2020-12-09 13:57:33,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 13:57:33,024 INFO L208 MainTranslator]: Completed translation [2020-12-09 13:57:33,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33 WrapperNode [2020-12-09 13:57:33,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 13:57:33,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 13:57:33,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 13:57:33,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 13:57:33,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 13:57:33,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 13:57:33,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 13:57:33,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 13:57:33,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... [2020-12-09 13:57:33,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 13:57:33,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 13:57:33,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 13:57:33,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 13:57:33,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 13:57:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 13:57:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 13:57:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 13:57:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 13:57:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 13:57:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 13:57:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 13:57:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 13:57:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 13:57:54,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 13:57:54,371 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 13:57:54,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:57:54 BoogieIcfgContainer [2020-12-09 13:57:54,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 13:57:54,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 13:57:54,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 13:57:54,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 13:57:54,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:57:32" (1/3) ... [2020-12-09 13:57:54,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f53bb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:57:54, skipping insertion in model container [2020-12-09 13:57:54,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:57:33" (2/3) ... [2020-12-09 13:57:54,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f53bb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:57:54, skipping insertion in model container [2020-12-09 13:57:54,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:57:54" (3/3) ... [2020-12-09 13:57:54,378 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920b.c [2020-12-09 13:57:54,387 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 13:57:54,389 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 13:57:54,396 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 13:57:54,412 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 13:57:54,412 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 13:57:54,412 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 13:57:54,412 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 13:57:54,412 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 13:57:54,412 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 13:57:54,412 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 13:57:54,412 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 13:57:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-09 13:57:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 13:57:54,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:57:54,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:57:54,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:57:54,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:57:54,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1904103824, now seen corresponding path program 1 times [2020-12-09 13:57:54,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 13:57:54,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011611908] [2020-12-09 13:57:54,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 13:57:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:57:54,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 13:57:54,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:57:54,933 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 13:57:54,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 13:57:54,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011611908] [2020-12-09 13:57:54,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 13:57:54,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 13:57:54,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308612248] [2020-12-09 13:57:54,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 13:57:54,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 13:57:54,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 13:57:54,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 13:57:54,948 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-09 13:57:54,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:57:54,960 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions. [2020-12-09 13:57:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 13:57:54,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 13:57:54,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:57:54,966 INFO L225 Difference]: With dead ends: 58 [2020-12-09 13:57:54,967 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 13:57:54,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 13:57:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 13:57:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-09 13:57:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 13:57:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-09 13:57:54,990 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 9 [2020-12-09 13:57:54,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:57:54,990 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-09 13:57:54,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 13:57:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-09 13:57:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 13:57:54,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:57:54,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:57:55,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 13:57:55,194 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:57:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:57:55,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1484246989, now seen corresponding path program 1 times [2020-12-09 13:57:55,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 13:57:55,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303066100] [2020-12-09 13:57:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 13:57:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:57:55,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 13:57:55,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:57:55,819 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 13:57:55,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 13:57:55,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303066100] [2020-12-09 13:57:55,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 13:57:55,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 13:57:55,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097666967] [2020-12-09 13:57:55,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 13:57:55,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 13:57:55,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 13:57:55,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 13:57:55,822 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 4 states. [2020-12-09 13:57:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:57:57,540 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2020-12-09 13:57:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 13:57:57,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-09 13:57:57,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:57:57,541 INFO L225 Difference]: With dead ends: 32 [2020-12-09 13:57:57,541 INFO L226 Difference]: Without dead ends: 12 [2020-12-09 13:57:57,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 13:57:57,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-09 13:57:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-09 13:57:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-09 13:57:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-09 13:57:57,544 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-12-09 13:57:57,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:57:57,544 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-09 13:57:57,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 13:57:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-09 13:57:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 13:57:57,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:57:57,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:57:57,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 13:57:57,746 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:57:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:57:57,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1245975282, now seen corresponding path program 1 times [2020-12-09 13:57:57,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 13:57:57,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653656549] [2020-12-09 13:57:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/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 13:57:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:57:58,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 13:57:58,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:57:58,504 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 13:57:58,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 13:57:58,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653656549] [2020-12-09 13:57:58,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 13:57:58,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 13:57:58,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591995181] [2020-12-09 13:57:58,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 13:57:58,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 13:57:58,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 13:57:58,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 13:57:58,506 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 7 states. [2020-12-09 13:57:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:57:59,102 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-09 13:57:59,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 13:57:59,102 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-12-09 13:57:59,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:57:59,103 INFO L225 Difference]: With dead ends: 12 [2020-12-09 13:57:59,103 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 13:57:59,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 13:57:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 13:57:59,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 13:57:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 13:57:59,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 13:57:59,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-09 13:57:59,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:57:59,104 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 13:57:59,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 13:57:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 13:57:59,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 13:57:59,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 13:57:59,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 13:57:59,542 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-12-09 13:57:59,686 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point L97(lines 97 109) no Hoare annotation was computed. [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point L126(lines 126 129) no Hoare annotation was computed. [2020-12-09 13:57:59,792 INFO L265 CegarLoopResult]: At program point L131(lines 115 132) the Hoare annotation is: true [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 13:57:59,792 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L70(lines 70 86) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L54-1(lines 54 58) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 58) the Hoare annotation is: false [2020-12-09 13:57:59,793 INFO L258 CegarLoopResult]: At program point L108(lines 34 110) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~1)))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_logf_~x)) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L71(lines 71 78) no Hoare annotation was computed. [2020-12-09 13:57:59,793 INFO L262 CegarLoopResult]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L258 CegarLoopResult]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_logf_~x))) [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L258 CegarLoopResult]: At program point L63-2(lines 63 67) the Hoare annotation is: false [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L51(lines 51 59) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L258 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~1)))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_logf_~x)) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L80(lines 80 85) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-09 13:57:59,794 INFO L262 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2020-12-09 13:57:59,795 INFO L262 CegarLoopResult]: For program point L72(lines 72 77) no Hoare annotation was computed. [2020-12-09 13:57:59,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:57:59 BoogieIcfgContainer [2020-12-09 13:57:59,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 13:57:59,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 13:57:59,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 13:57:59,823 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 13:57:59,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:57:54" (3/4) ... [2020-12-09 13:57:59,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 13:57:59,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-09 13:57:59,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 13:57:59,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 13:57:59,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 13:57:59,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 13:57:59,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2020-12-09 13:57:59,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2020-12-09 13:57:59,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1debcc8a-2030-4f14-aaa1-b2ff85116843/bin/utaipan/witness.graphml [2020-12-09 13:57:59,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 13:57:59,878 INFO L168 Benchmark]: Toolchain (without parser) took 27065.00 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.8 MB in the beginning and 38.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,878 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 54.5 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 13:57:59,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.63 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.7 MB in the beginning and 53.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.10 ms. Allocated memory is still 71.3 MB. Free memory was 53.3 MB in the beginning and 51.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,879 INFO L168 Benchmark]: Boogie Preprocessor took 28.27 ms. Allocated memory is still 71.3 MB. Free memory was 51.2 MB in the beginning and 49.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,880 INFO L168 Benchmark]: RCFGBuilder took 21283.48 ms. Allocated memory is still 71.3 MB. Free memory was 49.4 MB in the beginning and 44.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,880 INFO L168 Benchmark]: TraceAbstraction took 5448.38 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 42.9 MB in the end (delta: 975.1 kB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,880 INFO L168 Benchmark]: Witness Printer took 54.68 ms. Allocated memory is still 71.3 MB. Free memory was 42.9 MB in the beginning and 38.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 13:57:59,882 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 54.5 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 211.63 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.7 MB in the beginning and 53.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.10 ms. Allocated memory is still 71.3 MB. Free memory was 53.3 MB in the beginning and 51.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.27 ms. Allocated memory is still 71.3 MB. Free memory was 51.2 MB in the beginning and 49.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21283.48 ms. Allocated memory is still 71.3 MB. Free memory was 49.4 MB in the beginning and 44.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5448.38 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 42.9 MB in the end (delta: 975.1 kB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Witness Printer took 54.68 ms. Allocated memory is still 71.3 MB. Free memory was 42.9 MB in the beginning and 38.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: 113]: Loop Invariant [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 34]: Loop Invariant [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant [2020-12-09 13:57:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 13:57:59,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 13:57:59,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 26 SDslu, 14 SDs, 0 SdLazy, 19 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 141 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 4 QuantifiedInterpolants, 1921 SizeOfPredicates, 16 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...