./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P --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 f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:55:25,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:55:25,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:55:25,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:55:25,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:55:25,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:55:25,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:55:25,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:55:25,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:55:25,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:55:26,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:55:26,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:55:26,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:55:26,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:55:26,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:55:26,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:55:26,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:55:26,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:55:26,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:55:26,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:55:26,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:55:26,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:55:26,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:55:26,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:55:26,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:55:26,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:55:26,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:55:26,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:55:26,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:55:26,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:55:26,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:55:26,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:55:26,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:55:26,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:55:26,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:55:26,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:55:26,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:55:26,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:55:26,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:55:26,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:55:26,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:55:26,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:55:26,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:55:26,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:55:26,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:55:26,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:55:26,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:55:26,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:55:26,075 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:55:26,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:55:26,076 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:55:26,076 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:55:26,076 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:55:26,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:55:26,077 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:55:26,077 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:55:26,077 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:55:26,077 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:55:26,077 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:55:26,078 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:55:26,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:55:26,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:55:26,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:55:26,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:55:26,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:55:26,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:55:26,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:55:26,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:55:26,080 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:55:26,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:55:26,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:55:26,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:55:26,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:55:26,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:55:26,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:55:26,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:55:26,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:55:26,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:55:26,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:55:26,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:55:26,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:55:26,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:55:26,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:55:26,084 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_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2021-11-20 23:55:26,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:55:26,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:55:26,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:55:26,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:55:26,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:55:26,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-11-20 23:55:26,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/7af3191cf/7fc4fda18d9c4ad886b477e9604e9c7a/FLAGddfb0f423 [2021-11-20 23:55:26,881 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:55:26,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-11-20 23:55:26,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/7af3191cf/7fc4fda18d9c4ad886b477e9604e9c7a/FLAGddfb0f423 [2021-11-20 23:55:27,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/7af3191cf/7fc4fda18d9c4ad886b477e9604e9c7a [2021-11-20 23:55:27,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:55:27,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:55:27,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:55:27,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:55:27,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:55:27,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215643c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27, skipping insertion in model container [2021-11-20 23:55:27,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:55:27,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:55:27,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2021-11-20 23:55:27,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:55:27,554 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:55:27,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2021-11-20 23:55:27,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:55:27,624 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:55:27,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27 WrapperNode [2021-11-20 23:55:27,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:55:27,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:55:27,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:55:27,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:55:27,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,673 INFO L137 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2021-11-20 23:55:27,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:55:27,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:55:27,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:55:27,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:55:27,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:55:27,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:55:27,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:55:27,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:55:27,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (1/1) ... [2021-11-20 23:55:27,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:55:27,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:55:27,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:55:27,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:55:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:55:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:55:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:55:27,863 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:55:27,864 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:55:28,205 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:55:28,451 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:55:28,452 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-20 23:55:28,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:28 BoogieIcfgContainer [2021-11-20 23:55:28,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:55:28,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:55:28,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:55:28,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:55:28,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:55:27" (1/3) ... [2021-11-20 23:55:28,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf08019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:28, skipping insertion in model container [2021-11-20 23:55:28,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:27" (2/3) ... [2021-11-20 23:55:28,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf08019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:28, skipping insertion in model container [2021-11-20 23:55:28,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:28" (3/3) ... [2021-11-20 23:55:28,467 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2021-11-20 23:55:28,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:55:28,474 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:55:28,546 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:55:28,563 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:55:28,563 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:55:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:55:28,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:28,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:55:28,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:55:28,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:28,589 INFO L85 PathProgramCache]: Analyzing trace with hash 167638673, now seen corresponding path program 1 times [2021-11-20 23:55:28,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:28,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357280104] [2021-11-20 23:55:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:28,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:28,772 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:55:28,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357280104] [2021-11-20 23:55:28,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357280104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:28,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:28,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:55:28,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122546299] [2021-11-20 23:55:28,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:28,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:55:28,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:55:28,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:55:28,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:55:28,822 INFO L87 Difference]: Start difference. First operand has 26 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:28,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:28,902 INFO L93 Difference]: Finished difference Result 51 states and 81 transitions. [2021-11-20 23:55:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:55:28,913 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-20 23:55:28,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:28,922 INFO L225 Difference]: With dead ends: 51 [2021-11-20 23:55:28,923 INFO L226 Difference]: Without dead ends: 24 [2021-11-20 23:55:28,926 INFO L932 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 [2021-11-20 23:55:28,931 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:28,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:55:28,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-20 23:55:28,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-20 23:55:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2021-11-20 23:55:28,966 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 8 [2021-11-20 23:55:28,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:28,966 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-11-20 23:55:28,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-20 23:55:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:55:28,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:28,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:55:28,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:55:28,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:55:28,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:28,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1007237842, now seen corresponding path program 1 times [2021-11-20 23:55:28,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:55:28,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519043219] [2021-11-20 23:55:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:28,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:55:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:55:29,078 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:55:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:55:29,201 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:55:29,201 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:55:29,204 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:55:29,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:55:29,215 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 23:55:29,218 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:55:29,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:55:29 BoogieIcfgContainer [2021-11-20 23:55:29,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:55:29,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:55:29,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:55:29,261 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:55:29,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:28" (3/4) ... [2021-11-20 23:55:29,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:55:29,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:55:29,268 INFO L158 Benchmark]: Toolchain (without parser) took 1995.26ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.0MB in the beginning and 79.0MB in the end (delta: -20.0MB). Peak memory consumption was 596.3kB. Max. memory is 16.1GB. [2021-11-20 23:55:29,268 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:55:29,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.52ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 73.5MB in the end (delta: -14.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:55:29,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.38ms. Allocated memory is still 102.8MB. Free memory was 73.5MB in the beginning and 71.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:55:29,278 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 69.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:55:29,280 INFO L158 Benchmark]: RCFGBuilder took 738.78ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 42.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-20 23:55:29,283 INFO L158 Benchmark]: TraceAbstraction took 803.73ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 42.2MB in the beginning and 79.0MB in the end (delta: -36.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:55:29,283 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 123.7MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:55:29,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.52ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 73.5MB in the end (delta: -14.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.38ms. Allocated memory is still 102.8MB. Free memory was 73.5MB in the beginning and 71.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 69.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 738.78ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 42.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 803.73ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 42.2MB in the beginning and 79.0MB in the end (delta: -36.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 123.7MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 162]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 144, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 143. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L157] double x = 1.0 / 0.0; [L158] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=8589934591, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934591] [L31] ieee_double_shape_type ew_u; [L32] ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] (ix1) = ew_u.parts.lsw [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [\old(x)=8589934591, ix0=-2, ix1=8589934593, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934591] [L158] RET, EXPR __ieee754_sqrt(x) [L158] double res = __ieee754_sqrt(x); [L161] CALL, EXPR isinf_double(res) [L136] __int32_t hx, lx; VAL [\old(x)=8589934592, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934592] [L138] ieee_double_shape_type ew_u; [L139] ew_u.value = (x) [L140] EXPR ew_u.parts.msw [L140] (hx) = ew_u.parts.msw [L141] EXPR ew_u.parts.lsw [L141] (lx) = ew_u.parts.lsw [L143] hx &= 0x7fffffff [L144] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L145] hx = 0x7ff00000 - hx [L146] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L161] RET, EXPR isinf_double(res) [L161] COND TRUE !isinf_double(res) [L162] reach_error() VAL [one_sqrt=1, res=8589934592, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934591] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=26occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-11-20 23:55:29,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P --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 f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:55:31,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:55:31,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:55:32,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:55:32,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:55:32,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:55:32,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:55:32,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:55:32,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:55:32,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:55:32,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:55:32,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:55:32,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:55:32,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:55:32,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:55:32,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:55:32,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:55:32,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:55:32,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:55:32,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:55:32,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:55:32,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:55:32,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:55:32,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:55:32,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:55:32,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:55:32,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:55:32,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:55:32,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:55:32,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:55:32,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:55:32,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:55:32,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:55:32,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:55:32,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:55:32,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:55:32,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:55:32,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:55:32,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:55:32,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:55:32,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:55:32,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:55:32,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:55:32,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:55:32,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:55:32,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:55:32,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:55:32,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:55:32,169 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:55:32,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:55:32,169 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:55:32,170 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:55:32,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:55:32,171 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:55:32,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:55:32,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:55:32,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:55:32,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:55:32,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:55:32,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:55:32,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:55:32,174 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:55:32,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:55:32,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:55:32,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:55:32,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:55:32,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:55:32,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:55:32,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:55:32,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:55:32,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:55:32,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:55:32,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:55:32,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:55:32,178 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:55:32,178 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:55:32,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:55:32,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:55:32,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:55:32,179 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_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2021-11-20 23:55:32,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:55:32,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:55:32,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:55:32,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:55:32,619 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:55:32,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-11-20 23:55:32,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/660722f4d/afd60e6f27c14d3dbf554a2d5fff320d/FLAGba4f164a4 [2021-11-20 23:55:33,295 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:55:33,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2021-11-20 23:55:33,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/660722f4d/afd60e6f27c14d3dbf554a2d5fff320d/FLAGba4f164a4 [2021-11-20 23:55:33,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/data/660722f4d/afd60e6f27c14d3dbf554a2d5fff320d [2021-11-20 23:55:33,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:55:33,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:55:33,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:55:33,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:55:33,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:55:33,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:33,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242da76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33, skipping insertion in model container [2021-11-20 23:55:33,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:33,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:55:33,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:55:33,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2021-11-20 23:55:33,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:55:33,922 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:55:33,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2021-11-20 23:55:33,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:55:33,990 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:55:33,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33 WrapperNode [2021-11-20 23:55:33,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:55:33,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:55:33,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:55:33,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:55:34,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,043 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2021-11-20 23:55:34,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:55:34,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:55:34,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:55:34,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:55:34,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:55:34,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:55:34,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:55:34,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:55:34,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (1/1) ... [2021-11-20 23:55:34,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:55:34,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:55:34,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:55:34,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:55:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:55:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 23:55:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 23:55:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:55:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:55:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:55:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:55:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:55:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:55:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:55:34,257 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:55:34,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:55:36,499 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:55:36,506 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:55:36,506 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-20 23:55:36,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:36 BoogieIcfgContainer [2021-11-20 23:55:36,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:55:36,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:55:36,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:55:36,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:55:36,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:55:33" (1/3) ... [2021-11-20 23:55:36,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d4721d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:36, skipping insertion in model container [2021-11-20 23:55:36,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:33" (2/3) ... [2021-11-20 23:55:36,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d4721d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:36, skipping insertion in model container [2021-11-20 23:55:36,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:36" (3/3) ... [2021-11-20 23:55:36,523 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2021-11-20 23:55:36,529 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:55:36,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:55:36,595 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:55:36,601 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:55:36,602 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:55:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 23:55:36,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:36,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:55:36,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:55:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash -898135563, now seen corresponding path program 1 times [2021-11-20 23:55:36,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:55:36,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253632720] [2021-11-20 23:55:36,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:36,640 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:55:36,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:55:36,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:55:36,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:55:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:37,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:55:37,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:55:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:37,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:55:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:37,190 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:55:37,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253632720] [2021-11-20 23:55:37,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253632720] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:37,191 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:37,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:55:37,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780426822] [2021-11-20 23:55:37,193 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:37,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:55:37,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:55:37,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:55:37,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:55:37,226 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:37,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:37,246 INFO L93 Difference]: Finished difference Result 102 states and 162 transitions. [2021-11-20 23:55:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:55:37,249 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 23:55:37,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:37,257 INFO L225 Difference]: With dead ends: 102 [2021-11-20 23:55:37,258 INFO L226 Difference]: Without dead ends: 49 [2021-11-20 23:55:37,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:55:37,265 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:37,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:55:37,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-20 23:55:37,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-20 23:55:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:37,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2021-11-20 23:55:37,302 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 10 [2021-11-20 23:55:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:37,303 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2021-11-20 23:55:37,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-11-20 23:55:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 23:55:37,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:37,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:55:37,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:55:37,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:55:37,522 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:55:37,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:37,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1657561708, now seen corresponding path program 1 times [2021-11-20 23:55:37,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:55:37,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347962331] [2021-11-20 23:55:37,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:37,524 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:55:37,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:55:37,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:55:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:55:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:38,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 23:55:38,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:55:38,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2021-11-20 23:55:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:38,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:55:39,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2021-11-20 23:55:47,620 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (or (not (= (_ bv0 32) (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode |c_ULTIMATE.start___ieee754_sqrt_~x#1| |c_ULTIMATE.start___ieee754_sqrt_~x#1|) |c_ULTIMATE.start___ieee754_sqrt_~x#1|))))) is different from true [2021-11-20 23:55:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:54,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:55:54,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347962331] [2021-11-20 23:55:54,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347962331] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:54,483 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:54,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-20 23:55:54,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758275128] [2021-11-20 23:55:54,484 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:54,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 23:55:54,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:55:54,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 23:55:54,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=152, Unknown=1, NotChecked=24, Total=210 [2021-11-20 23:55:54,489 INFO L87 Difference]: Start difference. First operand 49 states and 68 transitions. Second operand has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:56,601 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (_ +zero 11 53))) (forall ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (or (not (= (_ bv0 32) (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode |c_ULTIMATE.start___ieee754_sqrt_~x#1| |c_ULTIMATE.start___ieee754_sqrt_~x#1|) |c_ULTIMATE.start___ieee754_sqrt_~x#1|))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-20 23:55:58,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:55:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:58,881 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2021-11-20 23:55:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:55:58,882 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-20 23:55:58,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:58,884 INFO L225 Difference]: With dead ends: 57 [2021-11-20 23:55:58,884 INFO L226 Difference]: Without dead ends: 49 [2021-11-20 23:55:58,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=50, Invalid=196, Unknown=2, NotChecked=58, Total=306 [2021-11-20 23:55:58,886 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 6 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:58,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 637 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 95 Unchecked, 2.1s Time] [2021-11-20 23:55:58,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-20 23:55:58,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-20 23:55:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 48 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2021-11-20 23:55:58,895 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 67 transitions. Word has length 12 [2021-11-20 23:55:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:58,896 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 67 transitions. [2021-11-20 23:55:58,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2021-11-20 23:55:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 23:55:58,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:55:58,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:55:58,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:55:59,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:55:59,115 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:55:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:55:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1423629871, now seen corresponding path program 1 times [2021-11-20 23:55:59,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:55:59,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481141444] [2021-11-20 23:55:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:55:59,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:55:59,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:55:59,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:55:59,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:55:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:55:59,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:55:59,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:55:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:59,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:55:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:55:59,889 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:55:59,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481141444] [2021-11-20 23:55:59,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481141444] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:55:59,890 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:55:59,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 23:55:59,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478010318] [2021-11-20 23:55:59,890 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:55:59,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:55:59,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:55:59,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:55:59,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:55:59,892 INFO L87 Difference]: Start difference. First operand 49 states and 67 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:59,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:55:59,911 INFO L93 Difference]: Finished difference Result 49 states and 67 transitions. [2021-11-20 23:55:59,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:55:59,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-20 23:55:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:55:59,914 INFO L225 Difference]: With dead ends: 49 [2021-11-20 23:55:59,914 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:55:59,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:55:59,916 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:55:59,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 1 Unchecked, 0.0s Time] [2021-11-20 23:55:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:55:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:55:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:55:59,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-11-20 23:55:59,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:55:59,919 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:55:59,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:55:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:55:59,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:55:59,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:55:59,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:56:00,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:56:00,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:56:02,599 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-20 23:56:02,600 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:56:02,600 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:56:02,600 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 164) no Hoare annotation was computed. [2021-11-20 23:56:02,600 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 96) no Hoare annotation was computed. [2021-11-20 23:56:02,600 INFO L858 garLoopResultBuilder]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2021-11-20 23:56:02,600 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2021-11-20 23:56:02,601 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2021-11-20 23:56:02,601 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-11-20 23:56:02,601 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 137 142) no Hoare annotation was computed. [2021-11-20 23:56:02,601 INFO L854 garLoopResultBuilder]: At program point L137-2(lines 137 142) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= |ULTIMATE.start___ieee754_sqrt_#res#1| .cse0))) [2021-11-20 23:56:02,601 INFO L858 garLoopResultBuilder]: For program point L137-3(lines 137 142) no Hoare annotation was computed. [2021-11-20 23:56:02,601 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-20 23:56:02,601 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 66) no Hoare annotation was computed. [2021-11-20 23:56:02,602 INFO L858 garLoopResultBuilder]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2021-11-20 23:56:02,602 INFO L858 garLoopResultBuilder]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2021-11-20 23:56:02,602 INFO L854 garLoopResultBuilder]: At program point L30-2(lines 30 35) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 23:56:02,602 INFO L858 garLoopResultBuilder]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2021-11-20 23:56:02,602 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2021-11-20 23:56:02,602 INFO L854 garLoopResultBuilder]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2021-11-20 23:56:02,602 INFO L858 garLoopResultBuilder]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2021-11-20 23:56:02,603 INFO L854 garLoopResultBuilder]: At program point L146(lines 135 147) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= |ULTIMATE.start_isinf_double_#res#1| (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (let ((.cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 .cse2) .cse2))))) [2021-11-20 23:56:02,603 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-11-20 23:56:02,603 INFO L858 garLoopResultBuilder]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2021-11-20 23:56:02,603 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 119) no Hoare annotation was computed. [2021-11-20 23:56:02,603 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-11-20 23:56:02,603 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2021-11-20 23:56:02,608 INFO L854 garLoopResultBuilder]: At program point L131(lines 24 132) the Hoare annotation is: (= |ULTIMATE.start___ieee754_sqrt_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) [2021-11-20 23:56:02,608 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:56:02,608 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 99) no Hoare annotation was computed. [2021-11-20 23:56:02,609 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2021-11-20 23:56:02,609 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 162) no Hoare annotation was computed. [2021-11-20 23:56:02,610 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-20 23:56:02,610 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2021-11-20 23:56:02,611 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 118) no Hoare annotation was computed. [2021-11-20 23:56:02,611 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 46) no Hoare annotation was computed. [2021-11-20 23:56:02,611 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2021-11-20 23:56:02,612 INFO L858 garLoopResultBuilder]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2021-11-20 23:56:02,612 INFO L858 garLoopResultBuilder]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2021-11-20 23:56:02,612 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:56:02,612 INFO L854 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2021-11-20 23:56:02,613 INFO L858 garLoopResultBuilder]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2021-11-20 23:56:02,613 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 45) no Hoare annotation was computed. [2021-11-20 23:56:02,613 INFO L861 garLoopResultBuilder]: At program point L166(lines 149 167) the Hoare annotation is: true [2021-11-20 23:56:02,613 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-20 23:56:02,617 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-11-20 23:56:02,617 INFO L854 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2021-11-20 23:56:02,617 INFO L858 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2021-11-20 23:56:02,619 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-11-20 23:56:02,619 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-11-20 23:56:02,619 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-20 23:56:02,619 INFO L858 garLoopResultBuilder]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2021-11-20 23:56:02,624 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 23:56:02,627 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:56:02,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,652 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,656 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,656 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,656 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,656 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,656 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,658 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,658 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,660 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,660 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,660 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,664 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,665 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,665 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,665 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,665 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,665 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,667 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,667 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,667 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:56:02 BoogieIcfgContainer [2021-11-20 23:56:02,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:56:02,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:56:02,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:56:02,676 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:56:02,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:36" (3/4) ... [2021-11-20 23:56:02,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:56:02,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-20 23:56:02,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-20 23:56:02,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 23:56:02,694 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:56:02,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 23:56:02,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-20 23:56:02,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-20 23:56:02,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_5 : bv64 :: \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))))), 31bv32)), 1bv32) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) [2021-11-20 23:56:02,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:56:02,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:56:02,748 INFO L158 Benchmark]: Toolchain (without parser) took 29110.98ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 44.1MB in the end (delta: 2.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,748 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:56:02,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.00ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 46.8MB in the end (delta: -751.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.58ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 44.6MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,749 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 42.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,750 INFO L158 Benchmark]: RCFGBuilder took 2425.73ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 47.7MB in the end (delta: -4.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,750 INFO L158 Benchmark]: TraceAbstraction took 26159.66ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 48.3MB in the end (delta: -1.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,751 INFO L158 Benchmark]: Witness Printer took 71.60ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 44.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 23:56:02,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.00ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 46.8MB in the end (delta: -751.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.58ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 44.6MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 42.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2425.73ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 47.7MB in the end (delta: -4.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 26159.66ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 48.3MB in the end (delta: -1.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 71.60ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 44.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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] - 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 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,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[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,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 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 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 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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 162]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 714 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 96 IncrementalHoareTripleChecker+Unchecked, 579 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 135 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 165 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 13 QuantifiedInterpolants, 799 SizeOfPredicates, 20 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant [2021-11-20 23:56:02,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:56:02,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 24]: Loop Invariant [2021-11-20 23:56:02,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,774 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,775 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,777 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant [2021-11-20 23:56:02,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,778 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,782 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,782 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,784 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-20 23:56:02,789 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,789 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_5 : bv64 :: \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))))), 31bv32)), 1bv32) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant [2021-11-20 23:56:02,792 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,800 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:56:02,800 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 23:56:02,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf3c2e8-e00c-4466-95ce-58a2efd34168/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE