./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC --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 cc877de57a66c963d01f9b35f68134e8e891b009 ......................................................................................................................................................................................................................................................................................................... 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_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC --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 cc877de57a66c963d01f9b35f68134e8e891b009 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:42,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:42,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:42,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:42,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:42,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:42,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:42,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:42,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:42,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:42,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:42,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:42,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:42,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:42,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:42,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:42,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:42,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:42,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:42,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:42,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:42,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:42,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:42,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:42,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:42,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:42,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:42,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:42,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:42,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:42,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:42,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:42,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:42,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:42,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:42,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:42,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:42,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:42,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:42,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:42,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:42,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:42,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:42,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:42,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:42,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:42,648 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:42,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:42,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:42,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:42,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:42,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:42,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:42,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:42,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:42,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:42,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:42,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:42,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:42,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:42,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:42,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:42,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:42,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:42,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:42,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:42,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:42,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:42,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:42,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:42,656 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_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc877de57a66c963d01f9b35f68134e8e891b009 [2021-10-11 00:29:42,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:42,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:42,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:42,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:42,945 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:42,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-10-11 00:29:43,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/301107388/e8c4bdf5aa9f4814929d3b6922a69036/FLAGeb0b24dbf [2021-10-11 00:29:43,508 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:43,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-10-11 00:29:43,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/301107388/e8c4bdf5aa9f4814929d3b6922a69036/FLAGeb0b24dbf [2021-10-11 00:29:43,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/301107388/e8c4bdf5aa9f4814929d3b6922a69036 [2021-10-11 00:29:43,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:43,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:43,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:43,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:43,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:43,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:43" (1/1) ... [2021-10-11 00:29:43,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547df849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:43, skipping insertion in model container [2021-10-11 00:29:43,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:43" (1/1) ... [2021-10-11 00:29:43,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:43,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:44,164 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-10-11 00:29:44,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:44,176 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:44,201 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-10-11 00:29:44,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:44,217 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:44,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44 WrapperNode [2021-10-11 00:29:44,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:44,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:44,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:44,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:44,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:44,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:44,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:44,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:44,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... [2021-10-11 00:29:44,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:44,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:44,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:44,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:44,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:29:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:29:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:29:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:29:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:29:44,731 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:44,732 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 00:29:44,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:44 BoogieIcfgContainer [2021-10-11 00:29:44,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:44,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:44,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:44,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:44,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:43" (1/3) ... [2021-10-11 00:29:44,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc04919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:44, skipping insertion in model container [2021-10-11 00:29:44,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:44" (2/3) ... [2021-10-11 00:29:44,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc04919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:44, skipping insertion in model container [2021-10-11 00:29:44,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:44" (3/3) ... [2021-10-11 00:29:44,757 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052b.c [2021-10-11 00:29:44,771 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:44,773 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:29:44,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:29:44,836 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:44,836 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:44,837 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:44,837 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:44,837 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:44,837 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:44,837 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:44,838 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2021-10-11 00:29:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:29:44,856 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:44,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:44,857 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:44,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:44,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2021-10-11 00:29:44,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:44,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546268111] [2021-10-11 00:29:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:45,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546268111] [2021-10-11 00:29:45,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:45,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:45,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657085608] [2021-10-11 00:29:45,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:45,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:45,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:45,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:45,025 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2021-10-11 00:29:45,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:45,041 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2021-10-11 00:29:45,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:45,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-10-11 00:29:45,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:45,051 INFO L225 Difference]: With dead ends: 56 [2021-10-11 00:29:45,052 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 00:29:45,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:45,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 00:29:45,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-11 00:29:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-10-11 00:29:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2021-10-11 00:29:45,085 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2021-10-11 00:29:45,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:45,086 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-11 00:29:45,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-11 00:29:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:29:45,087 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:45,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:45,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:45,088 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:45,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:45,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2021-10-11 00:29:45,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:45,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195860306] [2021-10-11 00:29:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:45,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:45,255 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:45,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:45,305 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:29:45,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:45,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:45 BoogieIcfgContainer [2021-10-11 00:29:45,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:45,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:45,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:45,360 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:45,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:44" (3/4) ... [2021-10-11 00:29:45,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:29:45,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:45,367 INFO L168 Benchmark]: Toolchain (without parser) took 1492.61 ms. Allocated memory is still 125.8 MB. Free memory was 90.9 MB in the beginning and 52.8 MB in the end (delta: 38.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:45,368 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 99.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:45,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.26 ms. Allocated memory is still 125.8 MB. Free memory was 90.7 MB in the beginning and 99.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:45,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 98.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:45,372 INFO L168 Benchmark]: Boogie Preprocessor took 29.68 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 96.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:45,373 INFO L168 Benchmark]: RCFGBuilder took 444.52 ms. Allocated memory is still 125.8 MB. Free memory was 96.8 MB in the beginning and 78.6 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:45,375 INFO L168 Benchmark]: TraceAbstraction took 623.69 ms. Allocated memory is still 125.8 MB. Free memory was 77.9 MB in the beginning and 53.4 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:45,377 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 125.8 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:45,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 99.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.26 ms. Allocated memory is still 125.8 MB. Free memory was 90.7 MB in the beginning and 99.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 98.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.68 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 96.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 444.52 ms. Allocated memory is still 125.8 MB. Free memory was 96.8 MB in the beginning and 78.6 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 623.69 ms. Allocated memory is still 125.8 MB. Free memory was 77.9 MB in the beginning and 53.4 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.69 ms. Allocated memory is still 125.8 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 82]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 77, overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; VAL [huge_floor=1000000000000000000000000000000] [L77] float x = -1.0f / 0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) VAL [huge_floor=1000000000000000000000000000000] [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [huge_floor=1000000000000000000000000000000] [L78] float res = floor_float(x); [L60] __int32_t ix; VAL [huge_floor=1000000000000000000000000000000] [L62] ieee_float_shape_type gf_u; [L63] gf_u.value = (x) [L64] EXPR gf_u.word [L64] (ix) = gf_u.word [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); VAL [huge_floor=1000000000000000000000000000000] [L81] COND TRUE !isinf_float(res) [L82] reach_error() VAL [huge_floor=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:47,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:47,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:47,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:47,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:48,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:48,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:48,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:48,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:48,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:48,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:48,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:48,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:48,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:48,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:48,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:48,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:48,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:48,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:48,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:48,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:48,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:48,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:48,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:48,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:48,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:48,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:48,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:48,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:48,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:48,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:48,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:48,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:48,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:48,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:48,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:48,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:48,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:48,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:48,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:48,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:48,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:29:48,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:48,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:48,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:48,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:48,136 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:48,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:48,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:48,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:48,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:48,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:48,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:48,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:48,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:29:48,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:29:48,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:48,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:48,139 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:48,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:48,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:48,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:48,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:48,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:48,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:48,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:48,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:48,142 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:29:48,142 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:29:48,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:48,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:48,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:29:48,143 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_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc877de57a66c963d01f9b35f68134e8e891b009 [2021-10-11 00:29:48,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:48,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:48,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:48,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:48,573 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:48,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-10-11 00:29:48,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/ab98f2ae3/f109a9c712984c128c450c2f60e62ec8/FLAG7e3d8d974 [2021-10-11 00:29:49,167 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:49,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-10-11 00:29:49,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/ab98f2ae3/f109a9c712984c128c450c2f60e62ec8/FLAG7e3d8d974 [2021-10-11 00:29:49,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/data/ab98f2ae3/f109a9c712984c128c450c2f60e62ec8 [2021-10-11 00:29:49,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:49,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:49,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:49,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:49,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:49,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da0e9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49, skipping insertion in model container [2021-10-11 00:29:49,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:49,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:49,754 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-10-11 00:29:49,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:49,771 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:49,803 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-10-11 00:29:49,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:49,823 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:49,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49 WrapperNode [2021-10-11 00:29:49,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:49,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:49,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:49,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:49,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:49,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:49,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:49,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:49,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... [2021-10-11 00:29:49,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:49,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:49,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:49,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:49,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:29:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 00:29:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:29:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 00:29:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:29:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:29:50,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:50,860 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 00:29:50,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:50 BoogieIcfgContainer [2021-10-11 00:29:50,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:50,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:50,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:50,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:50,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:49" (1/3) ... [2021-10-11 00:29:50,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf8eca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:50, skipping insertion in model container [2021-10-11 00:29:50,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:49" (2/3) ... [2021-10-11 00:29:50,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf8eca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:50, skipping insertion in model container [2021-10-11 00:29:50,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:50" (3/3) ... [2021-10-11 00:29:50,870 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052b.c [2021-10-11 00:29:50,886 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:50,890 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:29:50,902 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:29:50,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:50,937 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:50,937 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:50,937 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:50,938 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:50,938 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:50,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:50,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2021-10-11 00:29:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:29:50,956 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:50,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:50,957 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:50,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:50,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2021-10-11 00:29:50,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:50,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836509385] [2021-10-11 00:29:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 00:29:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:51,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:29:51,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:51,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:51,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836509385] [2021-10-11 00:29:51,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:51,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:51,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538610124] [2021-10-11 00:29:51,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:51,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:51,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:51,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:51,186 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2021-10-11 00:29:51,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:51,207 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2021-10-11 00:29:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:51,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-10-11 00:29:51,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:51,218 INFO L225 Difference]: With dead ends: 56 [2021-10-11 00:29:51,218 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 00:29:51,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 00:29:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-11 00:29:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-10-11 00:29:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2021-10-11 00:29:51,254 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2021-10-11 00:29:51,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:51,255 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-11 00:29:51,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-11 00:29:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:29:51,256 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:51,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:51,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:29:51,474 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:51,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2021-10-11 00:29:51,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:51,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028339864] [2021-10-11 00:29:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 00:29:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:51,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 00:29:51,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:51,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:51,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028339864] [2021-10-11 00:29:51,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:51,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:51,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328166228] [2021-10-11 00:29:51,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:51,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:51,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:51,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:51,874 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand 5 states. [2021-10-11 00:29:52,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:52,340 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-10-11 00:29:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:52,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-10-11 00:29:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:52,342 INFO L225 Difference]: With dead ends: 37 [2021-10-11 00:29:52,342 INFO L226 Difference]: Without dead ends: 22 [2021-10-11 00:29:52,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:29:52,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-11 00:29:52,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-11 00:29:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-10-11 00:29:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-10-11 00:29:52,350 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 14 [2021-10-11 00:29:52,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:52,350 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-10-11 00:29:52,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-11 00:29:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:29:52,351 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:52,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:52,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:29:52,565 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:52,566 INFO L82 PathProgramCache]: Analyzing trace with hash -217487572, now seen corresponding path program 1 times [2021-10-11 00:29:52,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:52,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552870105] [2021-10-11 00:29:52,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 00:29:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-11 00:29:52,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:52,829 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 00:29:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:52,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:52,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552870105] [2021-10-11 00:29:52,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:52,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-11 00:29:52,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036183158] [2021-10-11 00:29:52,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:29:52,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:29:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:29:52,901 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 9 states. [2021-10-11 00:29:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:53,614 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-10-11 00:29:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:29:53,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2021-10-11 00:29:53,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:53,616 INFO L225 Difference]: With dead ends: 30 [2021-10-11 00:29:53,616 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 00:29:53,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:29:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 00:29:53,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 00:29:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 00:29:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-11 00:29:53,627 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2021-10-11 00:29:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:53,628 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-11 00:29:53,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:29:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-11 00:29:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:29:53,631 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:29:53,833 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1158240359, now seen corresponding path program 1 times [2021-10-11 00:29:53,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:53,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303793282] [2021-10-11 00:29:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 00:29:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:54,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 00:29:54,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:54,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:54,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303793282] [2021-10-11 00:29:54,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:54,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:54,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27667511] [2021-10-11 00:29:54,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:54,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:54,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:54,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:54,159 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 5 states. [2021-10-11 00:29:54,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:54,275 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-10-11 00:29:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:54,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-10-11 00:29:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:54,275 INFO L225 Difference]: With dead ends: 21 [2021-10-11 00:29:54,275 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:29:54,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:29:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:29:54,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:29:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:29:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:54,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-11 00:29:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:54,277 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:54,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:54,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:54,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:29:54,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 00:29:54,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:29:54,719 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-10-11 00:29:54,832 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2021-10-11 00:29:54,981 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point L81(lines 81 84) no Hoare annotation was computed. [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,984 INFO L262 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-10-11 00:29:54,985 INFO L262 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-10-11 00:29:54,985 INFO L258 CegarLoopResult]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_floor_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start_floor_float_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2021-10-11 00:29:54,985 INFO L262 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-10-11 00:29:54,985 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2021-10-11 00:29:54,985 INFO L265 CegarLoopResult]: At program point L86(lines 70 87) the Hoare annotation is: true [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-10-11 00:29:54,986 INFO L262 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-10-11 00:29:54,987 INFO L258 CegarLoopResult]: At program point L67(lines 59 68) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_floor_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start_floor_float_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2021-10-11 00:29:54,987 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-10-11 00:29:54,987 INFO L262 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-10-11 00:29:54,990 INFO L258 CegarLoopResult]: At program point L55(lines 15 56) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_floor_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start_floor_float_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2021-10-11 00:29:54,990 INFO L262 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-10-11 00:29:54,991 INFO L258 CegarLoopResult]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x)) [2021-10-11 00:29:54,991 INFO L262 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-10-11 00:29:54,991 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-11 00:29:54,991 INFO L262 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-10-11 00:29:55,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,014 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:55 BoogieIcfgContainer [2021-10-11 00:29:55,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:55,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:55,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:55,093 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:55,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:50" (3/4) ... [2021-10-11 00:29:55,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:29:55,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-11 00:29:55,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:29:55,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:55,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:55,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) [2021-10-11 00:29:55,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x [2021-10-11 00:29:55,153 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x [2021-10-11 00:29:55,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce5cb2c-ed2f-456d-8b47-ff215c7cec05/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:55,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:55,200 INFO L168 Benchmark]: Toolchain (without parser) took 5659.31 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.7 MB in the beginning and 48.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:55,201 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:55,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.10 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 49.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:55,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.66 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 48.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:55,206 INFO L168 Benchmark]: Boogie Preprocessor took 69.23 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 46.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:55,207 INFO L168 Benchmark]: RCFGBuilder took 904.47 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 41.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:55,208 INFO L168 Benchmark]: TraceAbstraction took 4228.48 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 40.5 MB in the beginning and 52.1 MB in the end (delta: -11.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:55,208 INFO L168 Benchmark]: Witness Printer took 106.01 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 48.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:55,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.10 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 49.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.66 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 48.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.23 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 46.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 904.47 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 41.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4228.48 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 40.5 MB in the beginning and 52.1 MB in the end (delta: -11.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Witness Printer took 106.01 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 48.5 MB in the end (delta: 3.6 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant [2021-10-11 00:29:55,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 61]: Loop Invariant [2021-10-11 00:29:55,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2021-10-11 00:29:55,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 59]: Loop Invariant [2021-10-11 00:29:55,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2021-10-11 00:29:55,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 00:29:55,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:55,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 96 SDslu, 89 SDs, 0 SdLazy, 75 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 262 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 9 QuantifiedInterpolants, 4813 SizeOfPredicates, 26 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...