./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF --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 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:57,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:57,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:57,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:57,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:57,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:57,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:57,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:57,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:57,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:57,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:57,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:57,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:57,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:57,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:57,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:57,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:57,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:57,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:57,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:57,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:57,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:57,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:57,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:57,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:57,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:57,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:57,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:57,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:57,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:57,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:57,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:57,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:57,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:57,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:57,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:57,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:57,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:57,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:57,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:57,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:57,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:36:57,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:57,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:57,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:57,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:57,775 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:57,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:57,775 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:57,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:36:57,776 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:57,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:57,776 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:36:57,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:36:57,777 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:57,777 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:36:57,777 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:36:57,778 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:36:57,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:57,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:36:57,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:36:57,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:36:57,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:57,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:57,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:57,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:57,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:57,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:36:57,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:57,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:57,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:57,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:57,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:57,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:57,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:57,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:57,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:57,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:36:57,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:36:57,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:57,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:57,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:57,784 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_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 [2021-11-13 02:36:58,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:58,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:58,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:58,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:58,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:58,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-11-13 02:36:58,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/74e786ff1/afab0f65acb94955acc604b71d8bbfe9/FLAGb068b0948 [2021-11-13 02:36:58,957 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:36:58,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-11-13 02:36:58,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/74e786ff1/afab0f65acb94955acc604b71d8bbfe9/FLAGb068b0948 [2021-11-13 02:36:59,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/74e786ff1/afab0f65acb94955acc604b71d8bbfe9 [2021-11-13 02:36:59,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:36:59,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:36:59,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:59,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:36:59,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:36:59,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c47eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59, skipping insertion in model container [2021-11-13 02:36:59,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:36:59,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:59,536 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_bdcfed1b-c6c3-4576-879d-9aa93762033f/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-11-13 02:36:59,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:59,550 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:36:59,585 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_bdcfed1b-c6c3-4576-879d-9aa93762033f/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-11-13 02:36:59,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:59,603 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:36:59,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59 WrapperNode [2021-11-13 02:36:59,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:59,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:36:59,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:36:59,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:36:59,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:36:59,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:36:59,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:36:59,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:36:59,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:36:59,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:36:59,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:36:59,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:36:59,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (1/1) ... [2021-11-13 02:36:59,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:59,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:36:59,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:36:59,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:36:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:36:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:36:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-13 02:36:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:36:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-13 02:36:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:36:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:36:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:36:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:37:00,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:37:00,466 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-13 02:37:00,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:00 BoogieIcfgContainer [2021-11-13 02:37:00,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:37:00,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:37:00,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:37:00,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:37:00,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:36:59" (1/3) ... [2021-11-13 02:37:00,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a20a70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:37:00, skipping insertion in model container [2021-11-13 02:37:00,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:59" (2/3) ... [2021-11-13 02:37:00,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a20a70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:37:00, skipping insertion in model container [2021-11-13 02:37:00,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:00" (3/3) ... [2021-11-13 02:37:00,483 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2021-11-13 02:37:00,489 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:37:00,491 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:37:00,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:37:00,585 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:37:00,586 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:37:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 22 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) [2021-11-13 02:37:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:37:00,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:00,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:00,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:00,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:00,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1713830808, now seen corresponding path program 1 times [2021-11-13 02:37:00,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:37:00,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363324391] [2021-11-13 02:37:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:00,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:37:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:00,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:37:00,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363324391] [2021-11-13 02:37:00,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363324391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:00,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:00,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:37:00,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564391986] [2021-11-13 02:37:00,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:00,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:37:00,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:37:00,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:37:00,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:37:00,943 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 22 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:01,018 INFO L93 Difference]: Finished difference Result 45 states and 69 transitions. [2021-11-13 02:37:01,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:37:01,021 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-13 02:37:01,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:01,033 INFO L225 Difference]: With dead ends: 45 [2021-11-13 02:37:01,033 INFO L226 Difference]: Without dead ends: 21 [2021-11-13 02:37:01,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:37:01,043 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.39ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:01,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 8 Unknown, 0 Unchecked, 0.65ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 48.39ms Time] [2021-11-13 02:37:01,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-13 02:37:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-13 02:37:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 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) [2021-11-13 02:37:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-13 02:37:01,089 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 9 [2021-11-13 02:37:01,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:01,089 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-13 02:37:01,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-13 02:37:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 02:37:01,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:01,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:01,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:37:01,093 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:01,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:01,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1639411783, now seen corresponding path program 1 times [2021-11-13 02:37:01,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:37:01,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744835730] [2021-11-13 02:37:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:01,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:37:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:37:01,227 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 02:37:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:37:01,389 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-13 02:37:01,389 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 02:37:01,398 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 02:37:01,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:37:01,406 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-13 02:37:01,411 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:37:01,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:37:01 BoogieIcfgContainer [2021-11-13 02:37:01,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:37:01,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:37:01,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:37:01,466 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:37:01,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:00" (3/4) ... [2021-11-13 02:37:01,472 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 02:37:01,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:37:01,474 INFO L158 Benchmark]: Toolchain (without parser) took 2184.50ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 59.8MB in the beginning and 68.1MB in the end (delta: -8.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-13 02:37:01,475 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 56.4MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:37:01,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.42ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 48.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 02:37:01,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.00ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 46.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:37:01,484 INFO L158 Benchmark]: Boogie Preprocessor took 56.11ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 45.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:37:01,485 INFO L158 Benchmark]: RCFGBuilder took 747.76ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 45.1MB in the beginning and 96.2MB in the end (delta: -51.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-13 02:37:01,486 INFO L158 Benchmark]: TraceAbstraction took 991.55ms. Allocated memory is still 125.8MB. Free memory was 95.4MB in the beginning and 68.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-13 02:37:01,486 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 125.8MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:37:01,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 56.4MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.42ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 48.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.00ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 46.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.11ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 45.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.76ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 45.1MB in the beginning and 96.2MB in the end (delta: -51.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 991.55ms. Allocated memory is still 125.8MB. Free memory was 95.4MB in the beginning and 68.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 125.8MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 109]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L103] float x = 1.0f / 0.0f; [L105] CALL, EXPR __ieee754_sqrtf(x) [L17] float z; [L18] __uint32_t r, hx; [L19] __int32_t ix, s, q, m, t, i; VAL [\old(x)=8589934592, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934592] [L22] ieee_float_shape_type gf_u; [L23] gf_u.value = (x) [L24] EXPR gf_u.word [L24] (ix) = gf_u.word [L26] hx = ix & 0x7fffffff VAL [\old(x)=8589934592, ix=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934592] [L28] COND TRUE !((hx) < 0x7f800000L) [L29] return x * x + x; VAL [\old(x)=8589934592, hx=2139095040, ix=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934592] [L105] RET, EXPR __ieee754_sqrtf(x) [L105] float res = __ieee754_sqrtf(x); [L108] CALL, EXPR isinf_float(res) [L85] __int32_t ix; VAL [\old(x)=8589934591, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591] [L87] ieee_float_shape_type gf_u; [L88] gf_u.value = (x) [L89] EXPR gf_u.word [L89] (ix) = gf_u.word [L91] ix &= 0x7fffffff [L92] return ((ix) == 0x7f800000L); [L108] RET, EXPR isinf_float(res) [L108] COND TRUE !isinf_float(res) [L109] reach_error() VAL [one_sqrt=1, res=8589934591, tiny_sqrt=1/1000000000000000000000000000000, x=8589934592] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 48.39ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 42.69ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 8 mSolverCounterSat, 0.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-13 02:37:01,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF --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 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:37:04,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:37:04,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:37:04,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:37:04,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:37:04,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:37:04,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:37:04,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:37:04,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:37:04,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:37:04,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:37:04,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:37:04,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:37:04,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:37:04,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:37:04,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:37:04,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:37:04,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:37:04,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:37:04,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:37:04,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:37:04,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:37:04,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:37:04,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:37:04,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:37:04,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:37:04,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:37:04,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:37:04,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:37:04,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:37:04,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:37:04,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:37:04,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:37:04,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:37:04,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:37:04,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:37:04,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:37:04,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:37:04,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:37:04,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:37:04,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:37:04,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-13 02:37:04,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:37:04,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:37:04,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:37:04,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:37:04,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:37:04,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:37:04,615 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:37:04,615 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:37:04,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:37:04,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:37:04,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:37:04,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:37:04,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:37:04,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:37:04,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:37:04,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:37:04,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:37:04,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:37:04,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:37:04,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:37:04,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:37:04,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:37:04,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:37:04,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:37:04,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:37:04,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:37:04,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:37:04,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:37:04,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:37:04,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:37:04,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:37:04,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:37:04,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:37:04,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:37:04,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:37:04,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:37:04,627 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_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 [2021-11-13 02:37:05,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:37:05,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:37:05,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:37:05,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:37:05,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:37:05,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-11-13 02:37:05,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/0aca65186/bea38c6f0a5b4f57ad4649bebd05ed71/FLAGbae0f5860 [2021-11-13 02:37:05,862 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:37:05,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-11-13 02:37:05,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/0aca65186/bea38c6f0a5b4f57ad4649bebd05ed71/FLAGbae0f5860 [2021-11-13 02:37:06,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/data/0aca65186/bea38c6f0a5b4f57ad4649bebd05ed71 [2021-11-13 02:37:06,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:37:06,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:37:06,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:37:06,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:37:06,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:37:06,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f3d606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06, skipping insertion in model container [2021-11-13 02:37:06,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:37:06,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:37:06,499 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_bdcfed1b-c6c3-4576-879d-9aa93762033f/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-11-13 02:37:06,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:06,517 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:37:06,550 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_bdcfed1b-c6c3-4576-879d-9aa93762033f/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-11-13 02:37:06,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:06,598 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:37:06,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06 WrapperNode [2021-11-13 02:37:06,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:37:06,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:37:06,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:37:06,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:37:06,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:37:06,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:37:06,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:37:06,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:37:06,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:37:06,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:37:06,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:37:06,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:37:06,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (1/1) ... [2021-11-13 02:37:06,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:37:06,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:37:06,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:37:06,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:37:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:37:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:37:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-13 02:37:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:37:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:37:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:37:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-13 02:37:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:37:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:37:08,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:37:08,059 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-13 02:37:08,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:08 BoogieIcfgContainer [2021-11-13 02:37:08,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:37:08,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:37:08,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:37:08,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:37:08,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:37:06" (1/3) ... [2021-11-13 02:37:08,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ef6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:37:08, skipping insertion in model container [2021-11-13 02:37:08,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:06" (2/3) ... [2021-11-13 02:37:08,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ef6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:37:08, skipping insertion in model container [2021-11-13 02:37:08,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:08" (3/3) ... [2021-11-13 02:37:08,073 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2021-11-13 02:37:08,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:37:08,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:37:08,139 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:37:08,148 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:37:08,149 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:37:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 35 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 02:37:08,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:08,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:08,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:08,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash 175857115, now seen corresponding path program 1 times [2021-11-13 02:37:08,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:08,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796461099] [2021-11-13 02:37:08,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:08,215 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:08,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:08,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:37:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:08,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 02:37:08,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:08,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:08,701 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:08,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796461099] [2021-11-13 02:37:08,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796461099] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:08,703 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:08,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 02:37:08,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425781280] [2021-11-13 02:37:08,706 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:08,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:37:08,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:08,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:37:08,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:37:08,769 INFO L87 Difference]: Start difference. First operand has 36 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 35 states have internal predecessors, (55), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:08,803 INFO L93 Difference]: Finished difference Result 70 states and 108 transitions. [2021-11-13 02:37:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:37:08,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 [2021-11-13 02:37:08,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:08,820 INFO L225 Difference]: With dead ends: 70 [2021-11-13 02:37:08,820 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 02:37:08,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:37:08,831 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:08,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 2.39ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 02:37:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 02:37:08,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-13 02:37:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2021-11-13 02:37:08,887 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 11 [2021-11-13 02:37:08,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:08,888 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-11-13 02:37:08,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-11-13 02:37:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 02:37:08,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:08,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:08,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:09,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:09,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:09,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:09,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1305768564, now seen corresponding path program 1 times [2021-11-13 02:37:09,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:09,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594230587] [2021-11-13 02:37:09,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:09,112 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:09,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:09,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:09,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:37:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:09,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-13 02:37:09,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:09,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:32,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:32,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594230587] [2021-11-13 02:37:32,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594230587] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:32,671 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:32,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-13 02:37:32,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790661602] [2021-11-13 02:37:32,672 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:32,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 02:37:32,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:32,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 02:37:32,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-13 02:37:32,683 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:33,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:33,747 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2021-11-13 02:37:33,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:37:33,757 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 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 13 [2021-11-13 02:37:33,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:33,758 INFO L225 Difference]: With dead ends: 41 [2021-11-13 02:37:33,758 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 02:37:33,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2021-11-13 02:37:33,761 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 59 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 651.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.65ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 736.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:33,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 229 Invalid, 78 Unknown, 0 Unchecked, 9.65ms Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 20 Unchecked, 736.81ms Time] [2021-11-13 02:37:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 02:37:33,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-13 02:37:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2021-11-13 02:37:33,777 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 13 [2021-11-13 02:37:33,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:33,778 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-11-13 02:37:33,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-13 02:37:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 02:37:33,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:33,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:33,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:34,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:34,001 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:34,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 733207723, now seen corresponding path program 1 times [2021-11-13 02:37:34,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:34,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104660817] [2021-11-13 02:37:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:34,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:34,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:34,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:34,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:37:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:34,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:37:34,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:34,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:37:34,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:34,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104660817] [2021-11-13 02:37:34,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104660817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:34,684 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:34,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 02:37:34,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976951609] [2021-11-13 02:37:34,685 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:34,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:37:34,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:34,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:37:34,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:37:34,688 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 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) [2021-11-13 02:37:34,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:34,699 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2021-11-13 02:37:34,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:37:34,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 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) Word has length 14 [2021-11-13 02:37:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:34,701 INFO L225 Difference]: With dead ends: 33 [2021-11-13 02:37:34,701 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:37:34,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:37:34,703 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 7.18ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:34,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.39ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 3 Unchecked, 7.18ms Time] [2021-11-13 02:37:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:37:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:37:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:37:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:37:34,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-11-13 02:37:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:34,707 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:37:34,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 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) [2021-11-13 02:37:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:37:34,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:37:34,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 02:37:34,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:34,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:34,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 02:37:35,068 INFO L854 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2021-11-13 02:37:35,068 INFO L858 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2021-11-13 02:37:35,068 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-13 02:37:35,068 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-11-13 02:37:35,069 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 02:37:35,069 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 02:37:35,069 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2021-11-13 02:37:35,069 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2021-11-13 02:37:35,069 INFO L854 garLoopResultBuilder]: At program point L86-2(lines 86 90) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 |ULTIMATE.start_isinf_float_~x#1|) (= .cse0 |ULTIMATE.start___ieee754_sqrtf_#res#1|) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-13 02:37:35,070 INFO L858 garLoopResultBuilder]: For program point L86-3(lines 86 90) no Hoare annotation was computed. [2021-11-13 02:37:35,070 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2021-11-13 02:37:35,070 INFO L858 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2021-11-13 02:37:35,070 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-11-13 02:37:35,070 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-13 02:37:35,070 INFO L858 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2021-11-13 02:37:35,071 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-13 02:37:35,071 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-11-13 02:37:35,071 INFO L858 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2021-11-13 02:37:35,071 INFO L854 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2021-11-13 02:37:35,071 INFO L858 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2021-11-13 02:37:35,072 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-11-13 02:37:35,072 INFO L861 garLoopResultBuilder]: At program point L113(lines 95 114) the Hoare annotation is: true [2021-11-13 02:37:35,072 INFO L854 garLoopResultBuilder]: At program point L80(lines 16 81) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrtf_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-13 02:37:35,073 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-11-13 02:37:35,073 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-13 02:37:35,073 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 02:37:35,074 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2021-11-13 02:37:35,074 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2021-11-13 02:37:35,074 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:37:35,075 INFO L858 garLoopResultBuilder]: For program point L108(lines 108 111) no Hoare annotation was computed. [2021-11-13 02:37:35,075 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-11-13 02:37:35,075 INFO L854 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2021-11-13 02:37:35,075 INFO L858 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-11-13 02:37:35,076 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2021-11-13 02:37:35,076 INFO L854 garLoopResultBuilder]: At program point L92(lines 84 93) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start_isinf_float_~ix~1#1|) ((_ extract 30 23) |ULTIMATE.start_isinf_float_~ix~1#1|) ((_ extract 22 0) |ULTIMATE.start_isinf_float_~ix~1#1|))) (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 |ULTIMATE.start_isinf_float_~x#1|) (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-13 02:37:35,076 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-13 02:37:35,084 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-13 02:37:35,092 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:37:35,102 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,126 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,126 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,127 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,131 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,134 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,140 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,140 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,141 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,141 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,142 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,142 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,142 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,142 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,145 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,145 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,145 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,148 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,148 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,148 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,148 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,149 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:37:35 BoogieIcfgContainer [2021-11-13 02:37:35,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:37:35,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:37:35,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:37:35,154 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:37:35,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:08" (3/4) ... [2021-11-13 02:37:35,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:37:35,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-13 02:37:35,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-13 02:37:35,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 02:37:35,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:37:35,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-13 02:37:35,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-13 02:37:35,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-13 02:37:35,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && \result == 1bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-13 02:37:35,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:37:35,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:37:35,233 INFO L158 Benchmark]: Toolchain (without parser) took 29021.23ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 53.2MB in the beginning and 38.2MB in the end (delta: 15.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-13 02:37:35,234 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:37:35,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.93ms. Allocated memory is still 69.2MB. Free memory was 53.0MB in the beginning and 52.2MB in the end (delta: 806.5kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-13 02:37:35,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.33ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 50.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:37:35,236 INFO L158 Benchmark]: Boogie Preprocessor took 45.57ms. Allocated memory is still 69.2MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:37:35,236 INFO L158 Benchmark]: RCFGBuilder took 1325.77ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 35.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 02:37:35,237 INFO L158 Benchmark]: TraceAbstraction took 27088.93ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 42.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-13 02:37:35,238 INFO L158 Benchmark]: Witness Printer took 78.59ms. Allocated memory is still 90.2MB. Free memory was 41.6MB in the beginning and 38.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:37:35,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.93ms. Allocated memory is still 69.2MB. Free memory was 53.0MB in the beginning and 52.2MB in the end (delta: 806.5kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.33ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 50.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.57ms. Allocated memory is still 69.2MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1325.77ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 35.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27088.93ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 42.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 78.59ms. Allocated memory is still 90.2MB. Free memory was 41.6MB in the beginning and 38.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 109]: 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 743.99ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 284 SdHoareTripleChecker+Invalid, 658.36ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 23 IncrementalHoareTripleChecker+Unchecked, 203 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 81 mSDtfsCounter, 56 mSolverCounterSat, 12.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 182 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 11 QuantifiedInterpolants, 445 SizeOfPredicates, 19 NumberOfNonLiveVariables, 153 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 84]: Loop Invariant [2021-11-13 02:37:35,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && \result == 1bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2021-11-13 02:37:35,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 02:37:35,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 86]: Loop Invariant [2021-11-13 02:37:35,280 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,280 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,280 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2021-11-13 02:37:35,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 02:37:35,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-11-13 02:37:35,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcfed1b-c6c3-4576-879d-9aa93762033f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE