./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI --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 def97c020931826f5da37c31d58983d06e7c7fac ................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI --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 def97c020931826f5da37c31d58983d06e7c7fac ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:21,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:21,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:21,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:21,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:21,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:21,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:22,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:22,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:22,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:22,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:22,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:22,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:22,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:22,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:22,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:22,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:22,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:22,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:22,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:22,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:22,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:22,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:22,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:22,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:22,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:22,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:22,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:22,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:22,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:22,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:22,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:22,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:22,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:22,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:22,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:22,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:22,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:22,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:22,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:22,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:22,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:22,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:22,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:22,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:22,129 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:22,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:22,130 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:22,130 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:22,130 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:22,136 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:22,137 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:22,138 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:22,138 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:22,138 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:22,139 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:22,139 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:22,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:22,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:22,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:22,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:22,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:22,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:22,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:22,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:22,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:22,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:22,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:22,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:22,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:22,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:22,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:22,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:22,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:22,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:22,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:22,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:22,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:22,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:22,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:22,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:22,154 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_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> def97c020931826f5da37c31d58983d06e7c7fac [2021-10-11 02:24:22,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:22,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:22,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:22,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:22,487 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:22,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2021-10-11 02:24:22,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/5f6c2eb6d/b619c10f26ab472a9ab02a673f856919/FLAG0e04edd7a [2021-10-11 02:24:23,038 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:23,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2021-10-11 02:24:23,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/5f6c2eb6d/b619c10f26ab472a9ab02a673f856919/FLAG0e04edd7a [2021-10-11 02:24:23,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/5f6c2eb6d/b619c10f26ab472a9ab02a673f856919 [2021-10-11 02:24:23,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:23,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:23,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:23,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:23,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:23,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1b8e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23, skipping insertion in model container [2021-10-11 02:24:23,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:23,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:23,648 WARN L226 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_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2021-10-11 02:24:23,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:23,660 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:23,702 WARN L226 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_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2021-10-11 02:24:23,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:23,715 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:23,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23 WrapperNode [2021-10-11 02:24:23,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:23,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:23,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:23,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:23,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:23,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:23,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:23,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:23,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... [2021-10-11 02:24:23,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:23,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:23,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:23,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:23,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:24:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:24:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:24:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:24:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:24:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:24:24,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:24,892 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-11 02:24:24,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:24 BoogieIcfgContainer [2021-10-11 02:24:24,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:24,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:24,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:24,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:24,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:23" (1/3) ... [2021-10-11 02:24:24,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f4b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:24, skipping insertion in model container [2021-10-11 02:24:24,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:23" (2/3) ... [2021-10-11 02:24:24,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f4b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:24, skipping insertion in model container [2021-10-11 02:24:24,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:24" (3/3) ... [2021-10-11 02:24:24,909 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470.c [2021-10-11 02:24:24,923 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:24,926 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:24:24,937 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:24:24,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:24,981 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:24,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:24,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:24,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:24,982 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:24,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:24,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2021-10-11 02:24:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:24:25,000 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:25,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:25,001 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash 469767633, now seen corresponding path program 1 times [2021-10-11 02:24:25,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:25,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226646417] [2021-10-11 02:24:25,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:25,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226646417] [2021-10-11 02:24:25,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:25,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:25,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456557954] [2021-10-11 02:24:25,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:24:25,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:24:25,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:24:25,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:25,199 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2021-10-11 02:24:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:25,218 INFO L93 Difference]: Finished difference Result 93 states and 153 transitions. [2021-10-11 02:24:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:24:25,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2021-10-11 02:24:25,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:25,228 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:24:25,229 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 02:24:25,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 02:24:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 02:24:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 02:24:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2021-10-11 02:24:25,262 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 7 [2021-10-11 02:24:25,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:25,263 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2021-10-11 02:24:25,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:24:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2021-10-11 02:24:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:24:25,264 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:25,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:25,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:24:25,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:25,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:25,265 INFO L82 PathProgramCache]: Analyzing trace with hash -676451426, now seen corresponding path program 1 times [2021-10-11 02:24:25,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:25,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711169712] [2021-10-11 02:24:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:25,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:25,343 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:25,368 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:24:25,368 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:24:25,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:24:25,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:25 BoogieIcfgContainer [2021-10-11 02:24:25,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:25,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:25,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:25,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:25,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:24" (3/4) ... [2021-10-11 02:24:25,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:24:25,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:25,405 INFO L168 Benchmark]: Toolchain (without parser) took 2010.71 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 59.5 MB in the beginning and 47.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:25,406 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:25,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.44 ms. Allocated memory is still 102.8 MB. Free memory was 59.4 MB in the beginning and 74.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:25,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.77 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 71.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:25,408 INFO L168 Benchmark]: Boogie Preprocessor took 49.08 ms. Allocated memory is still 102.8 MB. Free memory was 71.7 MB in the beginning and 69.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:25,409 INFO L168 Benchmark]: RCFGBuilder took 1072.09 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.6 MB in the beginning and 72.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:25,410 INFO L168 Benchmark]: TraceAbstraction took 501.29 ms. Allocated memory is still 123.7 MB. Free memory was 72.3 MB in the beginning and 47.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:25,410 INFO L168 Benchmark]: Witness Printer took 4.27 ms. Allocated memory is still 123.7 MB. Free memory was 47.7 MB in the beginning and 47.1 MB in the end (delta: 574.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:25,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.44 ms. Allocated memory is still 102.8 MB. Free memory was 59.4 MB in the beginning and 74.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.77 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 71.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.08 ms. Allocated memory is still 102.8 MB. Free memory was 71.7 MB in the beginning and 69.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1072.09 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.6 MB in the beginning and 72.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 501.29 ms. Allocated memory is still 123.7 MB. Free memory was 72.3 MB in the beginning and 47.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.27 ms. Allocated memory is still 123.7 MB. Free memory was 47.7 MB in the beginning and 47.1 MB in the end (delta: 574.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 176]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of bitwiseAnd at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 108. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L171] float x = 0.0f / 0.0f; [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L104] COND TRUE ix == 0x3f800000 [L105] COND FALSE !(hx > 0) [L108] return pi + (float)2.0 * pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L172] float res = __ieee754_acosf(x); [L15] return x != x; [L175] COND TRUE !isnan_float(res) [L176] reach_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 62 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:27,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:27,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:27,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:27,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:27,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:27,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:27,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:27,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:27,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:27,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:27,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:27,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:27,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:27,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:27,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:27,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:27,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:27,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:27,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:27,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:27,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:27,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:27,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:27,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:27,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:27,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:27,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:27,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:27,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:27,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:27,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:27,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:27,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:27,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:27,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:27,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:27,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:27,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:27,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:27,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:27,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:28,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:28,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:28,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:28,036 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:28,036 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:28,037 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:28,037 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:28,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:28,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:28,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:28,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:28,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:28,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:28,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:28,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:28,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:28,041 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:28,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:28,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:28,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:28,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:28,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:28,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:28,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:28,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:28,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:28,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:28,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:28,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:28,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:28,044 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:28,044 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:28,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:28,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:28,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:28,045 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_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> def97c020931826f5da37c31d58983d06e7c7fac [2021-10-11 02:24:28,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:28,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:28,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:28,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:28,500 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:28,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2021-10-11 02:24:28,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/6a3f7bbb0/dce7fcccef4443c4aa621bc700f05c34/FLAG800c55593 [2021-10-11 02:24:29,101 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:29,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2021-10-11 02:24:29,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/6a3f7bbb0/dce7fcccef4443c4aa621bc700f05c34/FLAG800c55593 [2021-10-11 02:24:29,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/data/6a3f7bbb0/dce7fcccef4443c4aa621bc700f05c34 [2021-10-11 02:24:29,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:29,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:29,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:29,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:29,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:29,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f73c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29, skipping insertion in model container [2021-10-11 02:24:29,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:29,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:29,742 WARN L226 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_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2021-10-11 02:24:29,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:29,760 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:29,867 WARN L226 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_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2021-10-11 02:24:29,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:29,887 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:29,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29 WrapperNode [2021-10-11 02:24:29,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:29,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:29,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:29,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:29,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:29,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:29,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:29,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:29,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:29,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:30,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... [2021-10-11 02:24:30,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:30,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:30,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:30,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:30,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:24:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 02:24:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:24:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 02:24:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:24:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:24:45,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:45,332 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-11 02:24:45,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:45 BoogieIcfgContainer [2021-10-11 02:24:45,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:45,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:45,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:45,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:45,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:29" (1/3) ... [2021-10-11 02:24:45,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f632f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:45, skipping insertion in model container [2021-10-11 02:24:45,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:29" (2/3) ... [2021-10-11 02:24:45,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f632f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:45, skipping insertion in model container [2021-10-11 02:24:45,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:45" (3/3) ... [2021-10-11 02:24:45,342 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470.c [2021-10-11 02:24:45,356 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:45,359 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:24:45,370 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:24:45,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:45,396 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:45,396 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:45,396 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:45,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:45,397 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:45,397 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:45,397 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2021-10-11 02:24:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:24:45,417 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:45,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:45,418 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:45,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2021-10-11 02:24:45,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:45,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283975416] [2021-10-11 02:24:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:46,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:24:46,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:46,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:46,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283975416] [2021-10-11 02:24:46,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:46,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:46,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978374803] [2021-10-11 02:24:46,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:24:46,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:46,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:24:46,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:46,116 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2021-10-11 02:24:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:46,160 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2021-10-11 02:24:46,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:24:46,162 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:24:46,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:46,177 INFO L225 Difference]: With dead ends: 142 [2021-10-11 02:24:46,177 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:24:46,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:46,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:24:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-11 02:24:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 02:24:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2021-10-11 02:24:46,233 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2021-10-11 02:24:46,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:46,234 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2021-10-11 02:24:46,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:24:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2021-10-11 02:24:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:24:46,236 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:46,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:46,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:24:46,450 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:46,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:46,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2021-10-11 02:24:46,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:46,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866996538] [2021-10-11 02:24:46,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:47,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:24:47,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:47,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:47,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866996538] [2021-10-11 02:24:47,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:47,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:24:47,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514901002] [2021-10-11 02:24:47,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:47,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:47,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:47,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:47,396 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand 5 states. [2021-10-11 02:24:48,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:48,374 INFO L93 Difference]: Finished difference Result 74 states and 100 transitions. [2021-10-11 02:24:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:24:48,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:24:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:48,376 INFO L225 Difference]: With dead ends: 74 [2021-10-11 02:24:48,376 INFO L226 Difference]: Without dead ends: 12 [2021-10-11 02:24:48,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:48,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-11 02:24:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-11 02:24:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 02:24:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2021-10-11 02:24:48,380 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2021-10-11 02:24:48,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:48,380 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2021-10-11 02:24:48,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2021-10-11 02:24:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:24:48,381 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:48,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:48,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:24:48,595 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1092362962, now seen corresponding path program 1 times [2021-10-11 02:24:48,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:48,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334879850] [2021-10-11 02:24:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:49,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:24:49,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:49,682 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 3 [2021-10-11 02:24:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:49,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:49,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334879850] [2021-10-11 02:24:49,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:49,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:24:49,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874867947] [2021-10-11 02:24:49,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 02:24:49,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:49,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 02:24:49,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:49,778 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 7 states. [2021-10-11 02:24:51,044 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:24:51,200 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-10-11 02:24:51,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:51,201 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2021-10-11 02:24:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:24:51,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2021-10-11 02:24:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:51,202 INFO L225 Difference]: With dead ends: 12 [2021-10-11 02:24:51,202 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:51,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:24:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:51,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-10-11 02:24:51,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:51,203 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:51,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 02:24:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:51,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:51,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:24:51,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:51,836 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2021-10-11 02:24:52,041 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 9 [2021-10-11 02:24:52,352 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point L104(lines 104 111) no Hoare annotation was computed. [2021-10-11 02:24:52,386 INFO L258 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2021-10-11 02:24:52,386 INFO L262 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2021-10-11 02:24:52,387 INFO L258 CegarLoopResult]: At program point L55-6(lines 55 64) the Hoare annotation is: false [2021-10-11 02:24:52,387 INFO L262 CegarLoopResult]: For program point L55-7(lines 19 84) no Hoare annotation was computed. [2021-10-11 02:24:52,387 INFO L262 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2021-10-11 02:24:52,387 INFO L262 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2021-10-11 02:24:52,387 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2021-10-11 02:24:52,387 INFO L262 CegarLoopResult]: For program point L40-3(lines 40 44) no Hoare annotation was computed. [2021-10-11 02:24:52,387 INFO L262 CegarLoopResult]: For program point L40-5(lines 40 44) no Hoare annotation was computed. [2021-10-11 02:24:52,388 INFO L262 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2021-10-11 02:24:52,388 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2021-10-11 02:24:52,388 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2021-10-11 02:24:52,388 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2021-10-11 02:24:52,388 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-10-11 02:24:52,388 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2021-10-11 02:24:52,389 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2021-10-11 02:24:52,389 INFO L262 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2021-10-11 02:24:52,389 INFO L258 CegarLoopResult]: At program point L24-6(lines 24 28) the Hoare annotation is: false [2021-10-11 02:24:52,389 INFO L262 CegarLoopResult]: For program point L24-7(lines 24 28) no Hoare annotation was computed. [2021-10-11 02:24:52,389 INFO L262 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2021-10-11 02:24:52,390 INFO L258 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2021-10-11 02:24:52,390 INFO L262 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2021-10-11 02:24:52,390 INFO L262 CegarLoopResult]: For program point L41-7(lines 41 42) no Hoare annotation was computed. [2021-10-11 02:24:52,390 INFO L258 CegarLoopResult]: At program point L41-8(lines 41 42) the Hoare annotation is: false [2021-10-11 02:24:52,390 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:52,390 INFO L262 CegarLoopResult]: For program point L41-9(lines 41 42) no Hoare annotation was computed. [2021-10-11 02:24:52,391 INFO L262 CegarLoopResult]: For program point L124(lines 124 161) no Hoare annotation was computed. [2021-10-11 02:24:52,391 INFO L262 CegarLoopResult]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2021-10-11 02:24:52,391 INFO L258 CegarLoopResult]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2021-10-11 02:24:52,391 INFO L262 CegarLoopResult]: For program point L175(lines 175 178) no Hoare annotation was computed. [2021-10-11 02:24:52,391 INFO L262 CegarLoopResult]: For program point L109(lines 109 111) no Hoare annotation was computed. [2021-10-11 02:24:52,391 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-11 02:24:52,392 INFO L258 CegarLoopResult]: At program point L160(lines 95 162) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)))) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)))))) [2021-10-11 02:24:52,392 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:24:52,392 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:24:52,393 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-10-11 02:24:52,393 INFO L262 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:24:52,393 INFO L262 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:24:52,393 INFO L258 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-10-11 02:24:52,393 INFO L262 CegarLoopResult]: For program point L78-7(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:24:52,393 INFO L262 CegarLoopResult]: For program point L112(lines 112 161) no Hoare annotation was computed. [2021-10-11 02:24:52,394 INFO L262 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-11 02:24:52,394 INFO L262 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-10-11 02:24:52,394 INFO L262 CegarLoopResult]: For program point L146-1(lines 136 161) no Hoare annotation was computed. [2021-10-11 02:24:52,394 INFO L262 CegarLoopResult]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2021-10-11 02:24:52,394 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-11 02:24:52,394 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2021-10-11 02:24:52,395 INFO L262 CegarLoopResult]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2021-10-11 02:24:52,395 INFO L262 CegarLoopResult]: For program point L47-5(lines 47 48) no Hoare annotation was computed. [2021-10-11 02:24:52,395 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-10-11 02:24:52,395 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2021-10-11 02:24:52,395 INFO L265 CegarLoopResult]: At program point L180(lines 164 181) the Hoare annotation is: true [2021-10-11 02:24:52,396 INFO L258 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)))) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)))))) [2021-10-11 02:24:52,396 INFO L262 CegarLoopResult]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2021-10-11 02:24:52,396 INFO L258 CegarLoopResult]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2021-10-11 02:24:52,396 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:52,396 INFO L262 CegarLoopResult]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2021-10-11 02:24:52,397 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2021-10-11 02:24:52,397 INFO L262 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2021-10-11 02:24:52,397 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2021-10-11 02:24:52,397 INFO L258 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: false [2021-10-11 02:24:52,397 INFO L258 CegarLoopResult]: At program point L83-1(lines 19 84) the Hoare annotation is: false [2021-10-11 02:24:52,397 INFO L262 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2021-10-11 02:24:52,398 INFO L262 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2021-10-11 02:24:52,398 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-10-11 02:24:52,398 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 74) no Hoare annotation was computed. [2021-10-11 02:24:52,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:52 BoogieIcfgContainer [2021-10-11 02:24:52,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:52,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:52,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:52,435 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:52,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:45" (3/4) ... [2021-10-11 02:24:52,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:52,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-11 02:24:52,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-11 02:24:52,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:52,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:52,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) [2021-10-11 02:24:52,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0])) [2021-10-11 02:24:52,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0])) [2021-10-11 02:24:52,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3cb30d-9d2d-4dc5-8215-e3294e6fb22c/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:52,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:52,538 INFO L168 Benchmark]: Toolchain (without parser) took 23064.94 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.2 MB in the beginning and 53.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,539 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:52,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.10 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 59.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.14 ms. Allocated memory is still 77.6 MB. Free memory was 59.1 MB in the beginning and 56.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,540 INFO L168 Benchmark]: Boogie Preprocessor took 52.21 ms. Allocated memory is still 77.6 MB. Free memory was 56.6 MB in the beginning and 54.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,541 INFO L168 Benchmark]: RCFGBuilder took 15324.97 ms. Allocated memory is still 77.6 MB. Free memory was 54.2 MB in the beginning and 44.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,541 INFO L168 Benchmark]: TraceAbstraction took 7098.80 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.2 MB in the beginning and 60.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,542 INFO L168 Benchmark]: Witness Printer took 102.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 53.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:52,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 413.10 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 59.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.14 ms. Allocated memory is still 77.6 MB. Free memory was 59.1 MB in the beginning and 56.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.21 ms. Allocated memory is still 77.6 MB. Free memory was 56.6 MB in the beginning and 54.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15324.97 ms. Allocated memory is still 77.6 MB. Free memory was 54.2 MB in the beginning and 44.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7098.80 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.2 MB in the beginning and 60.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Witness Printer took 102.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 53.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2021-10-11 02:24:52,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0])) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant [2021-10-11 02:24:52,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-11 02:24:52,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0])) - InvariantResult [Line: 98]: Loop Invariant [2021-10-11 02:24:52,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:24:52,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:24:52,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 110 SDtfs, 33 SDslu, 16 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 160 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 4 QuantifiedInterpolants, 1501 SizeOfPredicates, 16 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...