./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:04:36,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:04:36,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:04:36,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:04:36,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:04:36,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:04:36,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:04:36,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:04:36,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:04:36,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:04:36,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:04:36,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:04:36,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:04:36,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:04:36,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:04:36,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:04:36,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:04:36,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:04:36,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:04:36,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:04:36,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:04:36,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:04:36,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:04:36,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:04:36,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:04:36,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:04:36,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:04:36,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:04:36,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:04:36,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:04:36,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:04:36,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:04:36,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:04:36,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:04:36,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:04:36,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:04:36,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:04:36,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:04:36,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:04:36,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:04:36,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:04:36,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:04:37,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:04:37,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:04:37,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:04:37,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:04:37,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:04:37,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:04:37,042 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:04:37,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:04:37,043 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:04:37,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:04:37,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:04:37,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:04:37,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:04:37,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:04:37,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:04:37,044 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:04:37,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:04:37,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:04:37,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:04:37,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:04:37,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:04:37,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:04:37,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:04:37,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:04:37,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:04:37,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:04:37,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:04:37,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:04:37,048 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:04:37,048 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:04:37,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:04:37,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:04:37,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 [2021-10-21 20:04:37,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:04:37,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:04:37,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:04:37,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:04:37,356 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:04:37,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-10-21 20:04:37,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/e31379ab0/6a7dffb2d549404cb29208c484da7c2b/FLAGa2f26092e [2021-10-21 20:04:37,944 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:04:37,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-10-21 20:04:37,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/e31379ab0/6a7dffb2d549404cb29208c484da7c2b/FLAGa2f26092e [2021-10-21 20:04:38,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/e31379ab0/6a7dffb2d549404cb29208c484da7c2b [2021-10-21 20:04:38,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:04:38,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:04:38,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:38,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:04:38,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:04:38,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45614878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38, skipping insertion in model container [2021-10-21 20:04:38,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:04:38,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:04:38,643 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_17b99cf8-2a66-4bb0-a155-9c93e4364546/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-10-21 20:04:38,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:38,661 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:04:38,709 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_17b99cf8-2a66-4bb0-a155-9c93e4364546/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-10-21 20:04:38,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:38,731 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:04:38,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38 WrapperNode [2021-10-21 20:04:38,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:38,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:38,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:04:38,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:04:38,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:38,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:04:38,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:04:38,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:04:38,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:04:38,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:04:38,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:04:38,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:04:38,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (1/1) ... [2021-10-21 20:04:38,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:04:38,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:38,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:38,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:04:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:04:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:04:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 20:04:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:04:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 20:04:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:04:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:04:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:04:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:04:39,382 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:04:39,382 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-21 20:04:39,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:39 BoogieIcfgContainer [2021-10-21 20:04:39,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:04:39,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:04:39,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:04:39,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:04:39,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:04:38" (1/3) ... [2021-10-21 20:04:39,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad9a1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:04:39, skipping insertion in model container [2021-10-21 20:04:39,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:38" (2/3) ... [2021-10-21 20:04:39,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad9a1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:04:39, skipping insertion in model container [2021-10-21 20:04:39,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:39" (3/3) ... [2021-10-21 20:04:39,400 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2021-10-21 20:04:39,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:04:39,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:04:39,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:04:39,459 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:04:39,460 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:04:39,474 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) [2021-10-21 20:04:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:04:39,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:39,480 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:04:39,481 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:39,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:39,486 INFO L82 PathProgramCache]: Analyzing trace with hash 175857115, now seen corresponding path program 1 times [2021-10-21 20:04:39,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:39,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885640831] [2021-10-21 20:04:39,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:39,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:39,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:39,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885640831] [2021-10-21 20:04:39,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885640831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:39,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:39,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:04:39,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896073142] [2021-10-21 20:04:39,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:04:39,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:04:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:04:39,739 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) [2021-10-21 20:04:39,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:39,766 INFO L93 Difference]: Finished difference Result 70 states and 108 transitions. [2021-10-21 20:04:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:04:39,767 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 [2021-10-21 20:04:39,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:39,776 INFO L225 Difference]: With dead ends: 70 [2021-10-21 20:04:39,777 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 20:04:39,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:04:39,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 20:04:39,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-21 20:04:39,817 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) [2021-10-21 20:04:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2021-10-21 20:04:39,820 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 11 [2021-10-21 20:04:39,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:39,821 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-21 20:04:39,821 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) [2021-10-21 20:04:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-10-21 20:04:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 20:04:39,823 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:39,823 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:04:39,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:04:39,824 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:39,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:39,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1305768564, now seen corresponding path program 1 times [2021-10-21 20:04:39,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:39,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367770263] [2021-10-21 20:04:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:39,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:39,933 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:04:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:40,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:04:40,013 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:04:40,015 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:04:40,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:04:40,023 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:04:40,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:04:40 BoogieIcfgContainer [2021-10-21 20:04:40,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:04:40,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:04:40,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:04:40,049 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:04:40,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:39" (3/4) ... [2021-10-21 20:04:40,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:04:40,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:04:40,054 INFO L168 Benchmark]: Toolchain (without parser) took 1754.64 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.9 MB in the beginning and 58.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:40,055 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:40,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.31 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.7 MB in the beginning and 76.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:40,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.88 ms. Allocated memory is still 100.7 MB. Free memory was 76.3 MB in the beginning and 74.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:40,057 INFO L168 Benchmark]: Boogie Preprocessor took 64.54 ms. Allocated memory is still 100.7 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:40,058 INFO L168 Benchmark]: RCFGBuilder took 525.17 ms. Allocated memory is still 100.7 MB. Free memory was 73.1 MB in the beginning and 60.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:40,059 INFO L168 Benchmark]: TraceAbstraction took 657.70 ms. Allocated memory is still 100.7 MB. Free memory was 59.7 MB in the beginning and 59.2 MB in the end (delta: 503.5 kB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:40,059 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 58.9 MB in the end (delta: 360.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:40,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.31 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.7 MB in the beginning and 76.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.88 ms. Allocated memory is still 100.7 MB. Free memory was 76.3 MB in the beginning and 74.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.54 ms. Allocated memory is still 100.7 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 525.17 ms. Allocated memory is still 100.7 MB. Free memory was 73.1 MB in the beginning and 60.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 657.70 ms. Allocated memory is still 100.7 MB. Free memory was 59.7 MB in the beginning and 59.2 MB in the end (delta: 503.5 kB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.00 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 58.9 MB in the end (delta: 360.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] float x = 1.0f / 0.0f; [L17] float z; [L18] __uint32_t r, hx; [L19] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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 [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L28] COND TRUE !((hx) < 0x7f800000L) [L29] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] float res = __ieee754_sqrtf(x); [L85] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L108] COND TRUE !isinf_float(res) [L109] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 569.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.5ms, AutomataDifference: 63.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 46 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.5ms SsaConstructionTime, 123.3ms SatisfiabilityAnalysisTime, 66.8ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:04:40,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:04:42,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:04:42,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:04:42,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:04:42,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:04:42,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:04:42,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:04:42,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:04:42,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:04:42,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:04:42,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:04:42,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:04:42,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:04:42,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:04:42,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:04:42,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:04:42,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:04:42,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:04:42,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:04:42,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:04:42,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:04:42,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:04:42,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:04:42,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:04:42,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:04:42,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:04:42,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:04:42,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:04:42,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:04:42,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:04:42,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:04:42,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:04:42,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:04:42,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:04:42,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:04:42,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:04:42,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:04:42,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:04:42,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:04:42,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:04:42,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:04:42,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:04:42,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:04:42,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:04:42,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:04:42,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:04:42,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:04:42,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:04:42,736 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:04:42,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:04:42,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:04:42,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:04:42,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:04:42,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:04:42,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:04:42,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:04:42,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:04:42,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:04:42,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:04:42,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:04:42,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:04:42,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:04:42,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:04:42,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:04:42,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:04:42,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:04:42,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:04:42,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:04:42,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:04:42,742 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:04:42,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:04:42,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:04:42,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:04:42,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:04:42,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:04:42,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:04:42,743 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_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b98e45599512b8d6c489b1dd455db4184e1609dc88e012fc4f2e92ac326cf0 [2021-10-21 20:04:43,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:04:43,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:04:43,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:04:43,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:04:43,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:04:43,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-10-21 20:04:43,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/9ce8c6bc5/62e12ac7c8e143e1837181bc436b90f0/FLAGf9638d39b [2021-10-21 20:04:43,870 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:04:43,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2021-10-21 20:04:43,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/9ce8c6bc5/62e12ac7c8e143e1837181bc436b90f0/FLAGf9638d39b [2021-10-21 20:04:44,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/data/9ce8c6bc5/62e12ac7c8e143e1837181bc436b90f0 [2021-10-21 20:04:44,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:04:44,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:04:44,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:44,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:04:44,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:04:44,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f59739c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44, skipping insertion in model container [2021-10-21 20:04:44,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:04:44,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:04:44,420 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_17b99cf8-2a66-4bb0-a155-9c93e4364546/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-10-21 20:04:44,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:44,438 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:04:44,468 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_17b99cf8-2a66-4bb0-a155-9c93e4364546/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c[2102,2115] [2021-10-21 20:04:44,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:44,515 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:04:44,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44 WrapperNode [2021-10-21 20:04:44,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:44,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:44,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:04:44,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:04:44,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:44,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:04:44,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:04:44,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:04:44,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:04:44,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:04:44,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:04:44,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:04:44,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (1/1) ... [2021-10-21 20:04:44,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:04:44,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:44,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:44,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:04:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:04:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:04:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-21 20:04:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:04:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:04:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:04:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-21 20:04:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:04:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:04:45,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:04:45,711 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-21 20:04:45,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:45 BoogieIcfgContainer [2021-10-21 20:04:45,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:04:45,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:04:45,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:04:45,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:04:45,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:04:44" (1/3) ... [2021-10-21 20:04:45,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34583ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:04:45, skipping insertion in model container [2021-10-21 20:04:45,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:44" (2/3) ... [2021-10-21 20:04:45,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34583ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:04:45, skipping insertion in model container [2021-10-21 20:04:45,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:45" (3/3) ... [2021-10-21 20:04:45,721 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2021-10-21 20:04:45,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:04:45,727 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:04:45,775 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:04:45,781 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:04:45,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:04:45,799 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) [2021-10-21 20:04:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:04:45,804 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:45,805 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:04:45,805 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 175857115, now seen corresponding path program 1 times [2021-10-21 20:04:45,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:04:45,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725052443] [2021-10-21 20:04:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:45,825 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:04:45,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:04:45,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:04:45,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:04:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:46,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 20:04:46,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:04:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:46,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:04:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:46,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:04:46,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725052443] [2021-10-21 20:04:46,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725052443] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:46,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:46,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 20:04:46,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771061115] [2021-10-21 20:04:46,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:04:46,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:04:46,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:04:46,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:04:46,269 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) [2021-10-21 20:04:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:46,286 INFO L93 Difference]: Finished difference Result 70 states and 108 transitions. [2021-10-21 20:04:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:04:46,287 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 [2021-10-21 20:04:46,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:46,296 INFO L225 Difference]: With dead ends: 70 [2021-10-21 20:04:46,296 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 20:04:46,299 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:04:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 20:04:46,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-21 20:04:46,331 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) [2021-10-21 20:04:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2021-10-21 20:04:46,333 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 11 [2021-10-21 20:04:46,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:46,334 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-21 20:04:46,334 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) [2021-10-21 20:04:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-10-21 20:04:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 20:04:46,335 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:46,336 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:04:46,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:46,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:04:46,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:46,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:46,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1305768564, now seen corresponding path program 1 times [2021-10-21 20:04:46,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:04:46,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957057455] [2021-10-21 20:04:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:46,556 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:04:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:04:46,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:04:46,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:04:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:46,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 20:04:46,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:04:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:47,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:05:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:11,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:05:11,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957057455] [2021-10-21 20:05:11,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957057455] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:11,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:11,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-10-21 20:05:11,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603118818] [2021-10-21 20:05:11,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-21 20:05:11,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:05:11,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 20:05:11,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-21 20:05:11,210 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) [2021-10-21 20:05:13,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:13,194 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2021-10-21 20:05:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:05:13,194 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 [2021-10-21 20:05:13,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:13,196 INFO L225 Difference]: With dead ends: 41 [2021-10-21 20:05:13,196 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 20:05:13,198 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 16576.8ms TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-10-21 20:05:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 20:05:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-21 20:05:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2021-10-21 20:05:13,202 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 13 [2021-10-21 20:05:13,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:13,212 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-21 20:05:13,213 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) [2021-10-21 20:05:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2021-10-21 20:05:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 20:05:13,214 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:13,214 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:13,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:13,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:05:13,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:13,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash -358919737, now seen corresponding path program 1 times [2021-10-21 20:05:13,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:05:13,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515703627] [2021-10-21 20:05:13,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:13,425 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:05:13,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:05:13,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:05:13,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 20:05:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:13,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:05:13,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:14,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:05:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:14,330 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:05:14,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515703627] [2021-10-21 20:05:14,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515703627] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:14,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:14,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-21 20:05:14,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374016238] [2021-10-21 20:05:14,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:05:14,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:05:14,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:05:14,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:05:14,333 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:14,488 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-10-21 20:05:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:05:14,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-21 20:05:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:14,488 INFO L225 Difference]: With dead ends: 33 [2021-10-21 20:05:14,489 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:05:14,489 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 370.4ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:05:14,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:05:14,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:05:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:05:14,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-21 20:05:14,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:14,490 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:14,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:05:14,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:05:14,496 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:05:14,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:14,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:05:14,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:05:14,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:14,934 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2021-10-21 20:05:14,934 INFO L857 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2021-10-21 20:05:14,934 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-21 20:05:14,935 INFO L857 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-10-21 20:05:14,935 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:05:14,935 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:05:14,935 INFO L857 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2021-10-21 20:05:14,935 INFO L857 garLoopResultBuilder]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2021-10-21 20:05:14,936 INFO L853 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 (= .cse0 |ULTIMATE.start___ieee754_sqrtf_#res|) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 ULTIMATE.start_isinf_float_~x) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-21 20:05:14,936 INFO L857 garLoopResultBuilder]: For program point L86-3(lines 86 90) no Hoare annotation was computed. [2021-10-21 20:05:14,936 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2021-10-21 20:05:14,936 INFO L857 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2021-10-21 20:05:14,936 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-21 20:05:14,937 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-21 20:05:14,937 INFO L857 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2021-10-21 20:05:14,937 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-21 20:05:14,937 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-10-21 20:05:14,937 INFO L857 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2021-10-21 20:05:14,938 INFO L853 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2021-10-21 20:05:14,938 INFO L857 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2021-10-21 20:05:14,938 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-10-21 20:05:14,938 INFO L860 garLoopResultBuilder]: At program point L113(lines 95 114) the Hoare annotation is: true [2021-10-21 20:05:14,939 INFO L853 garLoopResultBuilder]: At program point L80(lines 16 81) the Hoare annotation is: (and (= (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|) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-21 20:05:14,939 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-10-21 20:05:14,939 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-21 20:05:14,939 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:05:14,939 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2021-10-21 20:05:14,940 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2021-10-21 20:05:14,940 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:05:14,940 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 111) no Hoare annotation was computed. [2021-10-21 20:05:14,940 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-10-21 20:05:14,940 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2021-10-21 20:05:14,941 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-10-21 20:05:14,941 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2021-10-21 20:05:14,941 INFO L853 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 |ULTIMATE.start___ieee754_sqrtf_#res|) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= .cse0 ULTIMATE.start_isinf_float_~x) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_isinf_float_#res| (_ bv1 32)))) [2021-10-21 20:05:14,941 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 20:05:14,946 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:05:14,960 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,961 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,961 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,962 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,962 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,963 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,963 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,963 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,963 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,968 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,968 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,968 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,968 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,969 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,970 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,974 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,974 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,975 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,982 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,983 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,983 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,983 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,983 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,983 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,991 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,993 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,996 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,997 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,997 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,997 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:14,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,001 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,001 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,002 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,002 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,007 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,007 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,007 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,007 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,012 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,012 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,012 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,012 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,022 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,022 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,023 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,023 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,023 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,023 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,023 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,024 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,026 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,027 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,028 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,028 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,028 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,028 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,028 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,029 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:05:15 BoogieIcfgContainer [2021-10-21 20:05:15,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:05:15,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:05:15,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:05:15,030 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:05:15,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:45" (3/4) ... [2021-10-21 20:05:15,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:05:15,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-21 20:05:15,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 20:05:15,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:05:15,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:05:15,085 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())) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 20:05:15,087 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())) == \result && 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) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 20:05:15,088 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())) == \result && 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())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && ~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) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 [2021-10-21 20:05:15,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:05:15,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:05:15,135 INFO L168 Benchmark]: Toolchain (without parser) took 30915.25 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 55.8 MB in the beginning and 48.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:15,135 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 52.5 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:05:15,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.45 ms. Allocated memory is still 71.3 MB. Free memory was 55.7 MB in the beginning and 55.6 MB in the end (delta: 43.5 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:15,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.88 ms. Allocated memory is still 71.3 MB. Free memory was 55.6 MB in the beginning and 53.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:05:15,137 INFO L168 Benchmark]: Boogie Preprocessor took 78.57 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 52.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:05:15,138 INFO L168 Benchmark]: RCFGBuilder took 1025.93 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 38.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:15,138 INFO L168 Benchmark]: TraceAbstraction took 29315.53 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 38.2 MB in the beginning and 52.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:15,139 INFO L168 Benchmark]: Witness Printer took 102.99 ms. Allocated memory is still 98.6 MB. Free memory was 52.0 MB in the beginning and 48.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:15,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 52.5 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.45 ms. Allocated memory is still 71.3 MB. Free memory was 55.7 MB in the beginning and 55.6 MB in the end (delta: 43.5 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.88 ms. Allocated memory is still 71.3 MB. Free memory was 55.6 MB in the beginning and 53.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.57 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 52.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1025.93 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 38.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29315.53 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 38.2 MB in the beginning and 52.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Witness Printer took 102.99 ms. Allocated memory is still 98.6 MB. Free memory was 52.0 MB in the beginning and 48.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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 - 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 29172.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.5ms, AutomataDifference: 2203.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 220.2ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 81 SDtfs, 68 SDslu, 203 SDs, 0 SdLazy, 77 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1586.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 16947.4ms Time, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.5ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 205 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 66.2ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 146.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 36.7ms SsaConstructionTime, 600.4ms SatisfiabilityAnalysisTime, 25164.0ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 11 QuantifiedInterpolants, 447 SizeOfPredicates, 19 NumberOfNonLiveVariables, 154 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 [2021-10-21 20:05:15,161 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,161 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,161 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,162 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,162 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,162 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,162 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,162 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,164 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,165 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,165 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,165 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,165 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,166 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,167 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,167 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,170 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,171 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())) == \result && 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())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && ~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) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == 1bv32 - 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 [2021-10-21 20:05:15,172 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,173 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()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 86]: Loop Invariant [2021-10-21 20:05:15,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,180 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())) == \result && 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) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2021-10-21 20:05:15,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:05:15,186 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())) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-10-21 20:05:15,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b99cf8-2a66-4bb0-a155-9c93e4364546/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...