./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cff56ef2177d4a827b720aa6155a34e4f93cd99b ....................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cff56ef2177d4a827b720aa6155a34e4f93cd99b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:49:18,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:49:18,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:49:18,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:49:18,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:49:18,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:49:18,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:49:18,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:49:18,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:49:18,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:49:18,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:49:18,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:49:18,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:49:18,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:49:18,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:49:18,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:49:18,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:49:18,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:49:18,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:49:18,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:49:18,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:49:18,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:49:18,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:49:18,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:49:18,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:49:18,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:49:18,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:49:18,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:49:18,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:49:18,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:49:18,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:49:18,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:49:18,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:49:18,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:49:18,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:49:18,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:49:18,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:49:18,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:49:18,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:49:18,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:49:18,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:49:18,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:49:18,610 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:49:18,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:49:18,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:49:18,613 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:49:18,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:49:18,613 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:49:18,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:49:18,614 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:49:18,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:49:18,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:49:18,616 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:49:18,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:49:18,617 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:49:18,617 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:49:18,617 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:49:18,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:49:18,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:49:18,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:49:18,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:49:18,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:49:18,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:49:18,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:49:18,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:49:18,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:49:18,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:49:18,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:49:18,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:49:18,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:49:18,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:49:18,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:49:18,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:49:18,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:49:18,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:49:18,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:49:18,634 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:49:18,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:49:18,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:49:18,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:49:18,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:49:18,636 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_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cff56ef2177d4a827b720aa6155a34e4f93cd99b [2021-10-13 06:49:19,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:49:19,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:49:19,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:49:19,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:49:19,067 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:49:19,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2021-10-13 06:49:19,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/98318690a/adb6acae8661418c8a952902b5ef6592/FLAGe87c7e2d9 [2021-10-13 06:49:19,763 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:49:19,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2021-10-13 06:49:19,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/98318690a/adb6acae8661418c8a952902b5ef6592/FLAGe87c7e2d9 [2021-10-13 06:49:20,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/98318690a/adb6acae8661418c8a952902b5ef6592 [2021-10-13 06:49:20,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:49:20,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:49:20,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:49:20,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:49:20,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:49:20,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a78887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20, skipping insertion in model container [2021-10-13 06:49:20,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:49:20,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:49:20,383 WARN L228 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_c9274238-6981-4c3c-90e3-60bcaf5580c0/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2021-10-13 06:49:20,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:49:20,405 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:49:20,454 WARN L228 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_c9274238-6981-4c3c-90e3-60bcaf5580c0/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2021-10-13 06:49:20,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:49:20,474 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:49:20,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20 WrapperNode [2021-10-13 06:49:20,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:49:20,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:49:20,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:49:20,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:49:20,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:49:20,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:49:20,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:49:20,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:49:20,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:49:20,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:49:20,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:49:20,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:49:20,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (1/1) ... [2021-10-13 06:49:20,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:49:20,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:49:20,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:49:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:49:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:49:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:49:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 06:49:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 06:49:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 06:49:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:49:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:49:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 06:49:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:49:21,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:49:21,183 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-13 06:49:21,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:49:21 BoogieIcfgContainer [2021-10-13 06:49:21,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:49:21,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:49:21,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:49:21,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:49:21,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:49:20" (1/3) ... [2021-10-13 06:49:21,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8e31d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:49:21, skipping insertion in model container [2021-10-13 06:49:21,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:20" (2/3) ... [2021-10-13 06:49:21,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8e31d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:49:21, skipping insertion in model container [2021-10-13 06:49:21,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:49:21" (3/3) ... [2021-10-13 06:49:21,210 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a.c [2021-10-13 06:49:21,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:49:21,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:49:21,333 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:49:21,346 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:49:21,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:49:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 06:49:21,380 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:49:21,381 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:49:21,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:49:21,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:49:21,389 INFO L82 PathProgramCache]: Analyzing trace with hash -401754567, now seen corresponding path program 1 times [2021-10-13 06:49:21,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:49:21,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688534386] [2021-10-13 06:49:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:49:21,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:49:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:49:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:21,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:49:21,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688534386] [2021-10-13 06:49:21,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688534386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:49:21,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:49:21,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 06:49:21,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608428560] [2021-10-13 06:49:21,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:49:21,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:49:21,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:49:21,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:49:21,666 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:21,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:49:21,688 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2021-10-13 06:49:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:49:21,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 06:49:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:49:21,701 INFO L225 Difference]: With dead ends: 39 [2021-10-13 06:49:21,702 INFO L226 Difference]: Without dead ends: 18 [2021-10-13 06:49:21,707 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:49:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-13 06:49:21,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-13 06:49:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-13 06:49:21,750 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 8 [2021-10-13 06:49:21,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:49:21,750 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 06:49:21,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-10-13 06:49:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 06:49:21,753 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:49:21,753 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:49:21,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:49:21,754 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:49:21,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:49:21,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1282649150, now seen corresponding path program 1 times [2021-10-13 06:49:21,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:49:21,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377668867] [2021-10-13 06:49:21,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:49:21,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:49:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:49:21,888 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:49:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:49:21,960 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 06:49:21,961 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:49:21,963 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:49:21,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 06:49:21,970 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:49:21,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:49:21 BoogieIcfgContainer [2021-10-13 06:49:21,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:49:21,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:49:21,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:49:21,993 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:49:21,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:49:21" (3/4) ... [2021-10-13 06:49:21,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 06:49:21,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:49:21,999 INFO L168 Benchmark]: Toolchain (without parser) took 1926.64 ms. Allocated memory is still 88.1 MB. Free memory was 64.2 MB in the beginning and 43.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:22,000 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:49:22,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.83 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 63.4 MB in the end (delta: 644.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:22,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.12 ms. Allocated memory is still 88.1 MB. Free memory was 63.4 MB in the beginning and 61.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:22,003 INFO L168 Benchmark]: Boogie Preprocessor took 35.79 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 60.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:49:22,003 INFO L168 Benchmark]: RCFGBuilder took 600.59 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 47.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:22,004 INFO L168 Benchmark]: TraceAbstraction took 803.97 ms. Allocated memory is still 88.1 MB. Free memory was 47.1 MB in the beginning and 44.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:22,005 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 88.1 MB. Free memory was 44.2 MB in the beginning and 43.9 MB in the end (delta: 316.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:49:22,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.83 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 63.4 MB in the end (delta: 644.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.12 ms. Allocated memory is still 88.1 MB. Free memory was 63.4 MB in the beginning and 61.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.79 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 60.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 600.59 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 47.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 803.97 ms. Allocated memory is still 88.1 MB. Free memory was 47.1 MB in the beginning and 44.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.92 ms. Allocated memory is still 88.1 MB. Free memory was 44.2 MB in the beginning and 43.9 MB in the end (delta: 316.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 82]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L77] float x = 0.0f; [L15] __uint32_t w; [L17] int exponent_less_127; [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (w) = gf_u.word [L25] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L27] COND FALSE !(exponent_less_127 < 23) [L43] COND FALSE !(exponent_less_127 == 128) [L47] return x; [L78] float res = round_float(x); [L81] EXPR res == 0.0f && __signbit_float(res) == 0 [L81] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L82] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 638.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 19.0ms, AutomataDifference: 61.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.4ms SsaConstructionTime, 151.4ms SatisfiabilityAnalysisTime, 83.6ms InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 06:49:22,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:49:25,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:49:25,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:49:25,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:49:25,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:49:25,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:49:25,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:49:25,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:49:25,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:49:25,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:49:25,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:49:25,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:49:25,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:49:25,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:49:25,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:49:25,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:49:25,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:49:25,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:49:25,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:49:25,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:49:25,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:49:25,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:49:25,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:49:25,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:49:25,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:49:25,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:49:25,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:49:25,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:49:25,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:49:25,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:49:25,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:49:25,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:49:25,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:49:25,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:49:25,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:49:25,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:49:25,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:49:25,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:49:25,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:49:25,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:49:25,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:49:25,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:49:25,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:49:25,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:49:25,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:49:25,319 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:49:25,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:49:25,320 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:49:25,320 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:49:25,321 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:49:25,321 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:49:25,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:49:25,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:49:25,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:49:25,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:49:25,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:49:25,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:49:25,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:49:25,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:49:25,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:49:25,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:49:25,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:49:25,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:49:25,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:49:25,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:49:25,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:49:25,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:49:25,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:49:25,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:49:25,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:49:25,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:49:25,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:49:25,331 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:49:25,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:49:25,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:49:25,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:49:25,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:49:25,333 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_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cff56ef2177d4a827b720aa6155a34e4f93cd99b [2021-10-13 06:49:25,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:49:25,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:49:25,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:49:25,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:49:25,964 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:49:25,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2021-10-13 06:49:26,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/f18eaf89b/09fb40ff5dc74ceaabdf8e057c1bbd80/FLAGc94a7b69a [2021-10-13 06:49:26,673 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:49:26,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c [2021-10-13 06:49:26,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/f18eaf89b/09fb40ff5dc74ceaabdf8e057c1bbd80/FLAGc94a7b69a [2021-10-13 06:49:26,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/data/f18eaf89b/09fb40ff5dc74ceaabdf8e057c1bbd80 [2021-10-13 06:49:26,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:49:27,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:49:27,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:49:27,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:49:27,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:49:27,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:49:26" (1/1) ... [2021-10-13 06:49:27,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575442c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27, skipping insertion in model container [2021-10-13 06:49:27,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:49:26" (1/1) ... [2021-10-13 06:49:27,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:49:27,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:49:27,280 WARN L228 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_c9274238-6981-4c3c-90e3-60bcaf5580c0/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2021-10-13 06:49:27,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:49:27,305 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:49:27,366 WARN L228 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_c9274238-6981-4c3c-90e3-60bcaf5580c0/sv-benchmarks/c/float-newlib/float_req_bl_1032a.c[1751,1764] [2021-10-13 06:49:27,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:49:27,418 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:49:27,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27 WrapperNode [2021-10-13 06:49:27,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:49:27,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:49:27,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:49:27,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:49:27,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:49:27,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:49:27,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:49:27,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:49:27,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:49:27,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:49:27,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:49:27,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:49:27,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (1/1) ... [2021-10-13 06:49:27,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:49:27,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:49:27,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:49:27,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:49:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:49:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:49:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 06:49:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 06:49:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:49:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:49:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 06:49:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 06:49:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:49:28,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:49:28,323 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-13 06:49:28,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:49:28 BoogieIcfgContainer [2021-10-13 06:49:28,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:49:28,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:49:28,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:49:28,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:49:28,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:49:26" (1/3) ... [2021-10-13 06:49:28,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b146c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:49:28, skipping insertion in model container [2021-10-13 06:49:28,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:49:27" (2/3) ... [2021-10-13 06:49:28,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b146c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:49:28, skipping insertion in model container [2021-10-13 06:49:28,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:49:28" (3/3) ... [2021-10-13 06:49:28,336 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032a.c [2021-10-13 06:49:28,346 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:49:28,346 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:49:28,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:49:28,440 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:49:28,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:49:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 06:49:28,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:49:28,483 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:49:28,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:49:28,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:49:28,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1590452317, now seen corresponding path program 1 times [2021-10-13 06:49:28,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:49:28,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258074976] [2021-10-13 06:49:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:49:28,510 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:49:28,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:49:28,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:49:28,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:49:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:49:28,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:49:28,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:49:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:28,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:49:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:28,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:49:28,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258074976] [2021-10-13 06:49:28,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258074976] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:49:28,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:49:28,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:49:28,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678279981] [2021-10-13 06:49:28,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:49:28,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:49:28,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:49:28,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:49:28,875 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:28,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:49:28,900 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2021-10-13 06:49:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:49:28,903 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-13 06:49:28,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:49:28,915 INFO L225 Difference]: With dead ends: 48 [2021-10-13 06:49:28,915 INFO L226 Difference]: Without dead ends: 22 [2021-10-13 06:49:28,919 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:49:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-13 06:49:28,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-13 06:49:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-10-13 06:49:28,995 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 10 [2021-10-13 06:49:28,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:49:28,996 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-13 06:49:28,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-10-13 06:49:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:49:28,998 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:49:28,998 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:49:29,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:49:29,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:49:29,215 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:49:29,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:49:29,216 INFO L82 PathProgramCache]: Analyzing trace with hash -744854880, now seen corresponding path program 1 times [2021-10-13 06:49:29,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:49:29,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341118642] [2021-10-13 06:49:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:49:29,217 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:49:29,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:49:29,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:49:29,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:49:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:49:29,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 06:49:29,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:49:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:29,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:49:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:29,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:49:29,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341118642] [2021-10-13 06:49:29,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341118642] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:49:29,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:49:29,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 06:49:29,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304034689] [2021-10-13 06:49:29,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:49:29,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:49:29,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:49:29,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:49:29,638 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:49:29,737 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2021-10-13 06:49:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:49:29,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 06:49:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:49:29,739 INFO L225 Difference]: With dead ends: 34 [2021-10-13 06:49:29,740 INFO L226 Difference]: Without dead ends: 20 [2021-10-13 06:49:29,741 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 124.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:49:29,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-13 06:49:29,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-13 06:49:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-10-13 06:49:29,747 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2021-10-13 06:49:29,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:49:29,748 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-10-13 06:49:29,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-10-13 06:49:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 06:49:29,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:49:29,750 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:49:29,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:49:29,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:49:29,966 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:49:29,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:49:29,967 INFO L82 PathProgramCache]: Analyzing trace with hash 3095257, now seen corresponding path program 1 times [2021-10-13 06:49:29,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:49:29,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434889046] [2021-10-13 06:49:29,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:49:29,969 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:49:29,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:49:29,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:49:30,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:49:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:49:30,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 06:49:30,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:49:30,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-10-13 06:49:30,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-10-13 06:49:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:30,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:49:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:30,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:49:30,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434889046] [2021-10-13 06:49:30,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434889046] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:49:30,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:49:30,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-10-13 06:49:30,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930971683] [2021-10-13 06:49:30,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 06:49:30,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:49:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 06:49:30,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:49:30,609 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:49:30,834 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-13 06:49:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:49:30,836 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-13 06:49:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:49:30,837 INFO L225 Difference]: With dead ends: 23 [2021-10-13 06:49:30,837 INFO L226 Difference]: Without dead ends: 20 [2021-10-13 06:49:30,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 265.2ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-10-13 06:49:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-13 06:49:30,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-13 06:49:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0) internal successors, (19), 19 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2021-10-13 06:49:30,851 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 15 [2021-10-13 06:49:30,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:49:30,852 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2021-10-13 06:49:30,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2021-10-13 06:49:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:49:30,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:49:30,855 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:49:30,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:49:31,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:49:31,072 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:49:31,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:49:31,073 INFO L82 PathProgramCache]: Analyzing trace with hash -318448082, now seen corresponding path program 1 times [2021-10-13 06:49:31,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:49:31,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392316696] [2021-10-13 06:49:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:49:31,074 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:49:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:49:31,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:49:31,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:49:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:49:31,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 06:49:31,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:49:31,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-10-13 06:49:31,467 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-13 06:49:31,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 45 [2021-10-13 06:49:31,868 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 06:49:31,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 28 [2021-10-13 06:49:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:32,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:49:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:49:33,092 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:49:33,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392316696] [2021-10-13 06:49:33,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392316696] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:49:33,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:49:33,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 19 [2021-10-13 06:49:33,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521954735] [2021-10-13 06:49:33,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-13 06:49:33,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:49:33,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-13 06:49:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-10-13 06:49:33,096 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 19 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:33,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:49:33,948 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2021-10-13 06:49:33,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 06:49:33,950 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 19 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 06:49:33,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:49:33,951 INFO L225 Difference]: With dead ends: 20 [2021-10-13 06:49:33,951 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:49:33,952 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1331.6ms TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2021-10-13 06:49:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:49:33,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:49:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:49:33,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-10-13 06:49:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:49:33,953 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:49:33,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 19 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:49:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:49:33,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:49:33,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:49:33,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:49:34,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:49:34,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:49:34,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:49:34,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:49:34,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:49:34,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:49:34,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:49:34,596 INFO L857 garLoopResultBuilder]: For program point L27(lines 27 48) no Hoare annotation was computed. [2021-10-13 06:49:34,596 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2021-10-13 06:49:34,596 INFO L853 garLoopResultBuilder]: At program point L60-2(lines 60 64) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short12| (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_8| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_9|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_8|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= .cse0 .cse1)))) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_8| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_9|) (_ bv0 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_8|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) ULTIMATE.start_main_~res~0) (= .cse2 .cse3)))) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_round_float_~exponent_less_127~0 (_ bv127 32)) (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))))) (= |ULTIMATE.start_round_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0)))) [2021-10-13 06:49:34,596 INFO L857 garLoopResultBuilder]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2021-10-13 06:49:34,597 INFO L857 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-10-13 06:49:34,597 INFO L853 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) [2021-10-13 06:49:34,597 INFO L857 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2021-10-13 06:49:34,598 INFO L857 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2021-10-13 06:49:34,598 INFO L857 garLoopResultBuilder]: For program point L81-2(lines 81 84) no Hoare annotation was computed. [2021-10-13 06:49:34,598 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:49:34,598 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:49:34,598 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:49:34,599 INFO L857 garLoopResultBuilder]: For program point L28(lines 28 41) no Hoare annotation was computed. [2021-10-13 06:49:34,599 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2021-10-13 06:49:34,599 INFO L860 garLoopResultBuilder]: At program point L86(lines 69 87) the Hoare annotation is: true [2021-10-13 06:49:34,600 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-13 06:49:34,600 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 53) no Hoare annotation was computed. [2021-10-13 06:49:34,600 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 14 55) no Hoare annotation was computed. [2021-10-13 06:49:34,600 INFO L857 garLoopResultBuilder]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2021-10-13 06:49:34,601 INFO L853 garLoopResultBuilder]: At program point L66(lines 57 67) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short12| (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_8| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_9|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_8|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= .cse0 .cse1)))) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_round_float_~#sf_u~0.base_8| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_9|) (_ bv0 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#sf_u~0.base_8|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) ULTIMATE.start_main_~res~0) (= .cse2 .cse3)))) (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_round_float_~exponent_less_127~0 (_ bv127 32)) (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))) (and (= .cse4 (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) (= .cse4 (_ +zero 8 24))))) (= |ULTIMATE.start_round_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_round_float_~x (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))) [2021-10-13 06:49:34,601 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:49:34,601 INFO L853 garLoopResultBuilder]: At program point L54(lines 14 55) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_float_~w~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_round_float_~exponent_less_127~0 (_ bv127 32)) (bvlshr (bvand (_ bv2139095040 32) ULTIMATE.start_round_float_~w~0) (_ bv23 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_round_float_~w~0) ((_ extract 30 23) ULTIMATE.start_round_float_~w~0) ((_ extract 22 0) ULTIMATE.start_round_float_~w~0))))) (exists ((|v_ULTIMATE.start_round_float_~#gf_u~0.base_8| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_float_~#gf_u~0.base_8|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= ULTIMATE.start_round_float_~w~0 .cse0)))) (= |ULTIMATE.start_round_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_round_float_~x (_ +zero 8 24))) [2021-10-13 06:49:34,602 INFO L857 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-10-13 06:49:34,602 INFO L857 garLoopResultBuilder]: For program point L43(lines 43 47) no Hoare annotation was computed. [2021-10-13 06:49:34,602 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-10-13 06:49:34,608 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:49:34,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,628 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,657 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,662 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,663 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,666 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,666 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,667 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,667 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,667 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:49:34 BoogieIcfgContainer [2021-10-13 06:49:34,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:49:34,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:49:34,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:49:34,675 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:49:34,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:49:28" (3/4) ... [2021-10-13 06:49:34,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:49:34,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-13 06:49:34,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-13 06:49:34,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:49:34,694 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:49:34,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0])) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_8 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && w == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32])) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2021-10-13 06:49:34,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0]) == res) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]))) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2021-10-13 06:49:34,730 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0]) == res) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]))) && (\exists v_arrayElimCell_4 : bv32 :: ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) && ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]) == ~Pluszero~LONGDOUBLE())) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32 [2021-10-13 06:49:34,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:49:34,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:49:34,766 INFO L168 Benchmark]: Toolchain (without parser) took 7765.71 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 51.8 MB in the beginning and 48.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:34,766 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:49:34,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.05 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 70.6 MB in the end (delta: -19.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:34,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.91 ms. Allocated memory is still 86.0 MB. Free memory was 70.6 MB in the beginning and 69.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:34,773 INFO L168 Benchmark]: Boogie Preprocessor took 85.73 ms. Allocated memory is still 86.0 MB. Free memory was 69.0 MB in the beginning and 67.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:49:34,773 INFO L168 Benchmark]: RCFGBuilder took 723.63 ms. Allocated memory is still 86.0 MB. Free memory was 67.5 MB in the beginning and 55.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:34,774 INFO L168 Benchmark]: TraceAbstraction took 6346.32 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 55.0 MB in the beginning and 51.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:34,775 INFO L168 Benchmark]: Witness Printer took 90.37 ms. Allocated memory is still 121.6 MB. Free memory was 51.6 MB in the beginning and 48.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:49:34,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.05 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 70.6 MB in the end (delta: -19.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.91 ms. Allocated memory is still 86.0 MB. Free memory was 70.6 MB in the beginning and 69.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.73 ms. Allocated memory is still 86.0 MB. Free memory was 69.0 MB in the beginning and 67.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 723.63 ms. Allocated memory is still 86.0 MB. Free memory was 67.5 MB in the beginning and 55.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6346.32 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 55.0 MB in the beginning and 51.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. * Witness Printer took 90.37 ms. Allocated memory is still 121.6 MB. Free memory was 51.6 MB in the beginning and 48.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6180.3ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 32.1ms, AutomataDifference: 1258.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 423.5ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 61 SDtfs, 168 SDslu, 75 SDs, 0 SdLazy, 108 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 374.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 69 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1721.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 47.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 384 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 82.8ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 468 FormulaSimplificationTreeSizeReductionInter, 324.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 70.2ms SsaConstructionTime, 192.7ms SatisfiabilityAnalysisTime, 2901.8ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 34 QuantifiedInterpolants, 1186 SizeOfPredicates, 27 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant [2021-10-13 06:49:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_8,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0])) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_8 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && w == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_8][0bv32])) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2021-10-13 06:49:34,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,830 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-10-13 06:49:34,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: (((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0]) == res) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]))) && (\exists v_arrayElimCell_4 : bv32 :: ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) && ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]) == ~Pluszero~LONGDOUBLE())) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32 - InvariantResult [Line: 60]: Loop Invariant [2021-10-13 06:49:34,840 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,840 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,840 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,840 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#gf_u~0.base_9,QUANTIFIED] [2021-10-13 06:49:34,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_float_~#sf_u~0.base_8,QUANTIFIED] [2021-10-13 06:49:34,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] [2021-10-13 06:49:34,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_round_float_~w~0,QUANTIFIED] Derived loop invariant: (((((aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists v_ULTIMATE.start_round_float_~#gf_u~0.base_9 : bv32, v_ULTIMATE.start_round_float_~#sf_u~0.base_8 : bv32 :: (~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32][22:0]) == res) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#gf_u~0.base_9][0bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_float_~#sf_u~0.base_8][0bv32])) && (\exists ULTIMATE.start_round_float_~w~0 : bv32 :: ~bvadd64(exponent_less_127, 127bv32) == ~bvlshr32(~bvand32(2139095040bv32, ULTIMATE.start_round_float_~w~0), 23bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_round_float_~w~0[31:31], ULTIMATE.start_round_float_~w~0[30:23], ULTIMATE.start_round_float_~w~0[22:0]))) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) RESULT: Ultimate proved your program to be correct! [2021-10-13 06:49:34,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9274238-6981-4c3c-90e3-60bcaf5580c0/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...