./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.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-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 763abf67f1f1872e598eef430c91e41e497d068b .......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 763abf67f1f1872e598eef430c91e41e497d068b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:00:41,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:00:41,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:00:41,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:00:41,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:00:41,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:00:41,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:00:41,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:00:41,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:00:41,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:00:41,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:00:41,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:00:41,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:00:41,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:00:41,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:00:41,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:00:41,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:00:41,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:00:41,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:00:41,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:00:41,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:00:41,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:00:41,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:00:41,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:00:41,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:00:41,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:00:41,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:00:41,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:00:41,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:00:41,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:00:41,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:00:41,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:00:41,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:00:41,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:00:41,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:00:41,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:00:41,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:00:41,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:00:41,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:00:41,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:00:41,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:00:41,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 06:00:41,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:00:41,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:00:41,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:00:41,351 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:00:41,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:00:41,351 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:00:41,351 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:00:41,352 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:00:41,352 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:00:41,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:00:41,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:00:41,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:00:41,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:00:41,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:00:41,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:00:41,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:00:41,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:00:41,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:00:41,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:00:41,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 763abf67f1f1872e598eef430c91e41e497d068b [2020-12-09 06:00:41,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:00:41,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:00:41,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:00:41,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:00:41,563 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:00:41,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2020-12-09 06:00:41,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/a0bac815e/af66183bc4ba4da8b576446c0d6ea88b/FLAGdc3819010 [2020-12-09 06:00:42,002 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:00:42,002 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2020-12-09 06:00:42,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/a0bac815e/af66183bc4ba4da8b576446c0d6ea88b/FLAGdc3819010 [2020-12-09 06:00:42,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/a0bac815e/af66183bc4ba4da8b576446c0d6ea88b [2020-12-09 06:00:42,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:00:42,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:00:42,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:00:42,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:00:42,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:00:42,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c748d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42, skipping insertion in model container [2020-12-09 06:00:42,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:00:42,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:00:42,158 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2020-12-09 06:00:42,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:00:42,168 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:00:42,185 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2020-12-09 06:00:42,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:00:42,199 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:00:42,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42 WrapperNode [2020-12-09 06:00:42,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:00:42,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:00:42,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:00:42,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:00:42,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:00:42,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:00:42,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:00:42,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:00:42,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... [2020-12-09 06:00:42,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:00:42,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:00:42,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:00:42,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:00:42,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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 [2020-12-09 06:00:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 06:00:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:00:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 06:00:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 06:00:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 06:00:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:00:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:00:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 06:00:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:00:42,519 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:00:42,520 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-09 06:00:42,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:00:42 BoogieIcfgContainer [2020-12-09 06:00:42,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:00:42,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:00:42,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:00:42,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:00:42,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:00:42" (1/3) ... [2020-12-09 06:00:42,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fca56f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:00:42, skipping insertion in model container [2020-12-09 06:00:42,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:42" (2/3) ... [2020-12-09 06:00:42,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fca56f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:00:42, skipping insertion in model container [2020-12-09 06:00:42,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:00:42" (3/3) ... [2020-12-09 06:00:42,527 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b.c [2020-12-09 06:00:42,537 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:00:42,539 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:00:42,547 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:00:42,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:00:42,563 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:00:42,563 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:00:42,563 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:00:42,563 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:00:42,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:00:42,564 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:00:42,564 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:00:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-09 06:00:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 06:00:42,576 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:00:42,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:00:42,577 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:00:42,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:00:42,581 INFO L82 PathProgramCache]: Analyzing trace with hash -691509709, now seen corresponding path program 1 times [2020-12-09 06:00:42,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:00:42,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624007428] [2020-12-09 06:00:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:00:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:00:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:00:42,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624007428] [2020-12-09 06:00:42,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:00:42,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:00:42,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109513256] [2020-12-09 06:00:42,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:00:42,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:00:42,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:00:42,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:00:42,720 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-12-09 06:00:42,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:00:42,733 INFO L93 Difference]: Finished difference Result 41 states and 63 transitions. [2020-12-09 06:00:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:00:42,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 06:00:42,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:00:42,741 INFO L225 Difference]: With dead ends: 41 [2020-12-09 06:00:42,741 INFO L226 Difference]: Without dead ends: 19 [2020-12-09 06:00:42,744 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 [2020-12-09 06:00:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-09 06:00:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-09 06:00:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-09 06:00:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-12-09 06:00:42,768 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 10 [2020-12-09 06:00:42,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:00:42,768 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-12-09 06:00:42,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:00:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-12-09 06:00:42,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 06:00:42,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:00:42,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:00:42,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 06:00:42,769 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:00:42,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:00:42,770 INFO L82 PathProgramCache]: Analyzing trace with hash 879367347, now seen corresponding path program 1 times [2020-12-09 06:00:42,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:00:42,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344897284] [2020-12-09 06:00:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:00:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:00:42,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:00:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:00:42,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:00:42,911 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 06:00:42,911 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 06:00:42,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 06:00:42,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:00:42 BoogieIcfgContainer [2020-12-09 06:00:42,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:00:42,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:00:42,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:00:42,934 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:00:42,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:00:42" (3/4) ... [2020-12-09 06:00:42,937 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 06:00:42,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:00:42,939 INFO L168 Benchmark]: Toolchain (without parser) took 915.39 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 65.0 MB in the end (delta: 16.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:42,940 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 121.6 MB. Free memory was 98.4 MB in the beginning and 98.2 MB in the end (delta: 241.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:00:42,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.52 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 71.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:42,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.69 ms. Allocated memory is still 121.6 MB. Free memory was 71.2 MB in the beginning and 69.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:42,942 INFO L168 Benchmark]: Boogie Preprocessor took 19.24 ms. Allocated memory is still 121.6 MB. Free memory was 69.5 MB in the beginning and 68.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:42,943 INFO L168 Benchmark]: RCFGBuilder took 273.32 ms. Allocated memory is still 121.6 MB. Free memory was 68.3 MB in the beginning and 89.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:42,944 INFO L168 Benchmark]: TraceAbstraction took 411.31 ms. Allocated memory is still 121.6 MB. Free memory was 89.6 MB in the beginning and 65.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:42,944 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 121.6 MB. Free memory was 65.6 MB in the beginning and 65.0 MB in the end (delta: 571.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:00:42,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 121.6 MB. Free memory was 98.4 MB in the beginning and 98.2 MB in the end (delta: 241.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 175.52 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 71.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 26.69 ms. Allocated memory is still 121.6 MB. Free memory was 71.2 MB in the beginning and 69.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.24 ms. Allocated memory is still 121.6 MB. Free memory was 69.5 MB in the beginning and 68.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 273.32 ms. Allocated memory is still 121.6 MB. Free memory was 68.3 MB in the beginning and 89.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 411.31 ms. Allocated memory is still 121.6 MB. Free memory was 89.6 MB in the beginning and 65.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.23 ms. Allocated memory is still 121.6 MB. Free memory was 65.6 MB in the beginning and 65.0 MB in the end (delta: 571.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 68]: 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 39, overapproximation of bitwiseAnd at line 52. Possible FailurePath: [L63] float x = -1.0f / 0.0f; [L14] __int32_t signbit, w, exponent_less_127; [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L20] signbit = w & 0x80000000 [L21] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L22] COND FALSE !(exponent_less_127 < 23) [L38] COND TRUE exponent_less_127 == 255 [L39] return x + x; [L64] float res = trunc_float(x); [L46] __int32_t ix; [L48] ieee_float_shape_type gf_u; [L49] gf_u.value = (x) [L50] EXPR gf_u.word [L50] (ix) = gf_u.word [L52] ix &= 0x7fffffff [L53] return ((ix) == 0x7f800000L); [L67] COND TRUE !isinf_float(res) [L68] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 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=21occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 [2020-12-09 06:00:44,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:00:44,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:00:44,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:00:44,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:00:44,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:00:44,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:00:44,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:00:44,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:00:44,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:00:44,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:00:44,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:00:44,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:00:44,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:00:44,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:00:44,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:00:44,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:00:44,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:00:44,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:00:44,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:00:44,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:00:44,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:00:44,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:00:44,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:00:44,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:00:44,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:00:44,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:00:44,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:00:44,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:00:44,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:00:44,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:00:44,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:00:44,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:00:44,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:00:44,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:00:44,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:00:44,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:00:44,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:00:44,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:00:44,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:00:44,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:00:44,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 06:00:44,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:00:44,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:00:44,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:00:44,690 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:00:44,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:00:44,691 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:00:44,691 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:00:44,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:00:44,691 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:00:44,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:00:44,692 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:00:44,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:00:44,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:00:44,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:00:44,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:00:44,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:00:44,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:00:44,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 06:00:44,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 06:00:44,694 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:00:44,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:00:44,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:00:44,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:00:44,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:00:44,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 06:00:44,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:00:44,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:00:44,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:00:44,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:00:44,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:00:44,696 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 06:00:44,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 06:00:44,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:00:44,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:00:44,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:00:44,697 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-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 763abf67f1f1872e598eef430c91e41e497d068b [2020-12-09 06:00:44,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:00:44,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:00:44,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:00:44,959 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:00:44,960 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:00:44,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2020-12-09 06:00:45,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/17709575c/311ed6581eb846cab3ad96f4b4e9f632/FLAG8b04f31e8 [2020-12-09 06:00:45,375 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:00:45,375 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2020-12-09 06:00:45,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/17709575c/311ed6581eb846cab3ad96f4b4e9f632/FLAG8b04f31e8 [2020-12-09 06:00:45,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/data/17709575c/311ed6581eb846cab3ad96f4b4e9f632 [2020-12-09 06:00:45,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:00:45,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:00:45,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:00:45,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:00:45,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:00:45,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf626ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45, skipping insertion in model container [2020-12-09 06:00:45,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:00:45,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:00:45,528 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2020-12-09 06:00:45,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:00:45,539 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:00:45,555 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2020-12-09 06:00:45,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:00:45,573 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:00:45,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45 WrapperNode [2020-12-09 06:00:45,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:00:45,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:00:45,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:00:45,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:00:45,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:00:45,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:00:45,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:00:45,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:00:45,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... [2020-12-09 06:00:45,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:00:45,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:00:45,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:00:45,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:00:45,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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 [2020-12-09 06:00:45,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 06:00:45,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:00:45,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 06:00:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 06:00:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:00:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:00:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 06:00:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 06:00:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:00:45,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:00:45,954 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-09 06:00:45,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:00:45 BoogieIcfgContainer [2020-12-09 06:00:45,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:00:45,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:00:45,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:00:45,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:00:45,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:00:45" (1/3) ... [2020-12-09 06:00:45,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc9de99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:00:45, skipping insertion in model container [2020-12-09 06:00:45,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:00:45" (2/3) ... [2020-12-09 06:00:45,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc9de99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:00:45, skipping insertion in model container [2020-12-09 06:00:45,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:00:45" (3/3) ... [2020-12-09 06:00:45,963 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b.c [2020-12-09 06:00:45,981 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:00:45,984 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:00:45,994 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:00:46,016 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:00:46,016 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:00:46,016 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:00:46,016 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:00:46,016 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:00:46,017 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:00:46,017 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:00:46,017 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:00:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-12-09 06:00:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 06:00:46,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:00:46,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:00:46,035 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:00:46,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:00:46,040 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2020-12-09 06:00:46,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:00:46,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038425429] [2020-12-09 06:00:46,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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 [2020-12-09 06:00:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:00:46,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 06:00:46,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:00:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:00:46,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:00:46,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038425429] [2020-12-09 06:00:46,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:00:46,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:00:46,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103471741] [2020-12-09 06:00:46,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:00:46,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:00:46,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:00:46,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:00:46,181 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-12-09 06:00:46,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:00:46,197 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2020-12-09 06:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:00:46,198 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-09 06:00:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:00:46,206 INFO L225 Difference]: With dead ends: 46 [2020-12-09 06:00:46,206 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 06:00:46,208 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 [2020-12-09 06:00:46,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 06:00:46,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 06:00:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 06:00:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-12-09 06:00:46,239 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2020-12-09 06:00:46,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:00:46,239 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-12-09 06:00:46,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:00:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-12-09 06:00:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 06:00:46,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:00:46,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:00:46,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 06:00:46,441 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:00:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:00:46,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2020-12-09 06:00:46,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:00:46,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807930430] [2020-12-09 06:00:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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 [2020-12-09 06:00:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:00:46,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 06:00:46,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:00:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:00:46,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:00:46,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807930430] [2020-12-09 06:00:46,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:00:46,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 06:00:46,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889283979] [2020-12-09 06:00:46,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 06:00:46,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:00:46,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 06:00:46,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:00:46,642 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 5 states. [2020-12-09 06:00:46,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:00:46,749 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2020-12-09 06:00:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 06:00:46,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-12-09 06:00:46,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:00:46,750 INFO L225 Difference]: With dead ends: 30 [2020-12-09 06:00:46,750 INFO L226 Difference]: Without dead ends: 16 [2020-12-09 06:00:46,751 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 [2020-12-09 06:00:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-09 06:00:46,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-09 06:00:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 06:00:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-12-09 06:00:46,754 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2020-12-09 06:00:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:00:46,754 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-12-09 06:00:46,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 06:00:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-09 06:00:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 06:00:46,755 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:00:46,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:00:46,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 06:00:46,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:00:46,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:00:46,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1848622454, now seen corresponding path program 1 times [2020-12-09 06:00:46,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:00:46,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395909565] [2020-12-09 06:00:46,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/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 [2020-12-09 06:00:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:00:47,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 06:00:47,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:00:47,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:00:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:00:47,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:00:47,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395909565] [2020-12-09 06:00:47,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:00:47,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 06:00:47,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870145184] [2020-12-09 06:00:47,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:00:47,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:00:47,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:00:47,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:00:47,267 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 8 states. [2020-12-09 06:00:47,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:00:47,551 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-12-09 06:00:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 06:00:47,551 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-12-09 06:00:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:00:47,551 INFO L225 Difference]: With dead ends: 16 [2020-12-09 06:00:47,551 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 06:00:47,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:00:47,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 06:00:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 06:00:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 06:00:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 06:00:47,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-09 06:00:47,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:00:47,552 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 06:00:47,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:00:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 06:00:47,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 06:00:47,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 06:00:47,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 06:00:47,974 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L258 CegarLoopResult]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point L23(lines 23 36) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L258 CegarLoopResult]: At program point L15-2(lines 15 19) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2020-12-09 06:00:47,975 INFO L258 CegarLoopResult]: At program point L53(lines 45 54) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))) [2020-12-09 06:00:47,976 INFO L258 CegarLoopResult]: At program point L41(lines 13 42) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))) [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2020-12-09 06:00:47,976 INFO L258 CegarLoopResult]: At program point L25-2(lines 25 29) the Hoare annotation is: false [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point L22(lines 22 40) no Hoare annotation was computed. [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 40) no Hoare annotation was computed. [2020-12-09 06:00:47,976 INFO L262 CegarLoopResult]: For program point L47-1(lines 47 51) no Hoare annotation was computed. [2020-12-09 06:00:47,977 INFO L258 CegarLoopResult]: At program point L47-2(lines 47 51) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x))) [2020-12-09 06:00:47,977 INFO L262 CegarLoopResult]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2020-12-09 06:00:47,977 INFO L265 CegarLoopResult]: At program point L72(lines 56 73) the Hoare annotation is: true [2020-12-09 06:00:47,977 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 06:00:47,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:47,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:00:48 BoogieIcfgContainer [2020-12-09 06:00:48,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:00:48,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:00:48,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:00:48,002 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:00:48,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:00:45" (3/4) ... [2020-12-09 06:00:48,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 06:00:48,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 06:00:48,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 06:00:48,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 06:00:48,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 06:00:48,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 06:00:48,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 06:00:48,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 06:00:48,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-12-09 06:00:48,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d3c5933e-f076-4e9a-89b4-9744973be6cc/bin/utaipan/witness.graphml [2020-12-09 06:00:48,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:00:48,044 INFO L168 Benchmark]: Toolchain (without parser) took 2651.02 ms. Allocated memory was 56.6 MB in the beginning and 98.6 MB in the end (delta: 41.9 MB). Free memory was 36.1 MB in the beginning and 69.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:48,045 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:00:48,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.72 ms. Allocated memory is still 56.6 MB. Free memory was 35.9 MB in the beginning and 40.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:48,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.22 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 40.1 MB in the beginning and 65.4 MB in the end (delta: -25.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:48,046 INFO L168 Benchmark]: Boogie Preprocessor took 31.33 ms. Allocated memory is still 81.8 MB. Free memory was 65.4 MB in the beginning and 63.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:00:48,046 INFO L168 Benchmark]: RCFGBuilder took 302.47 ms. Allocated memory is still 81.8 MB. Free memory was 63.7 MB in the beginning and 46.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:48,047 INFO L168 Benchmark]: TraceAbstraction took 2043.89 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 72.7 MB in the end (delta: -26.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:48,047 INFO L168 Benchmark]: Witness Printer took 41.02 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 69.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:00:48,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 180.72 ms. Allocated memory is still 56.6 MB. Free memory was 35.9 MB in the beginning and 40.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.22 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 40.1 MB in the beginning and 65.4 MB in the end (delta: -25.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.33 ms. Allocated memory is still 81.8 MB. Free memory was 65.4 MB in the beginning and 63.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 302.47 ms. Allocated memory is still 81.8 MB. Free memory was 63.7 MB in the beginning and 46.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2043.89 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 72.7 MB in the end (delta: -26.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Witness Printer took 41.02 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 69.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~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[ULTIMATE.start_trunc_float_~w~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 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~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[ULTIMATE.start_trunc_float_~w~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 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 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~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[ULTIMATE.start_trunc_float_~w~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 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~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[ULTIMATE.start_trunc_float_~w~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~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[ULTIMATE.start_trunc_float_~w~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~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[ULTIMATE.start_trunc_float_~w~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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 68]: 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: 45]: Loop Invariant [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2020-12-09 06:00:48,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant [2020-12-09 06:00:48,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:00:48,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 46 SDslu, 35 SDs, 0 SdLazy, 33 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 227 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 15 QuantifiedInterpolants, 3155 SizeOfPredicates, 18 NumberOfNonLiveVariables, 152 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...