./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:27:44,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:27:44,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:27:44,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:27:44,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:27:44,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:27:44,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:27:44,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:27:44,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:27:44,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:27:44,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:27:44,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:27:44,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:27:44,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:27:44,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:27:44,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:27:44,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:27:44,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:27:44,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:27:44,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:27:44,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:27:44,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:27:44,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:27:44,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:27:44,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:27:44,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:27:44,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:27:44,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:27:44,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:27:44,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:27:44,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:27:44,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:27:44,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:27:44,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:27:44,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:27:44,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:27:44,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:27:44,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:27:44,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:27:44,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:27:44,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:27:44,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:27:44,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:27:44,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:27:44,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:27:44,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:27:44,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:27:44,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:27:44,408 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:27:44,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:27:44,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:27:44,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:27:44,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:27:44,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:27:44,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:27:44,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:27:44,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:27:44,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:27:44,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:27:44,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:27:44,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:27:44,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:27:44,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:27:44,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:27:44,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:27:44,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:27:44,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:27:44,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:27:44,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:27:44,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:27:44,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:27:44,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:27:44,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:27:44,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:27:44,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2021-10-21 20:27:44,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:27:44,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:27:44,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:27:44,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:27:44,733 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:27:44,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2021-10-21 20:27:44,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/9ffe94e1c/ede712dcd9ab498d81cff9249137c6d6/FLAGc9aeeea93 [2021-10-21 20:27:45,324 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:27:45,331 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2021-10-21 20:27:45,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/9ffe94e1c/ede712dcd9ab498d81cff9249137c6d6/FLAGc9aeeea93 [2021-10-21 20:27:45,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/9ffe94e1c/ede712dcd9ab498d81cff9249137c6d6 [2021-10-21 20:27:45,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:27:45,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:27:45,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:45,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:27:45,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:27:45,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:45" (1/1) ... [2021-10-21 20:27:45,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4636c0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:45, skipping insertion in model container [2021-10-21 20:27:45,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:45" (1/1) ... [2021-10-21 20:27:45,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:27:45,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:27:46,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2021-10-21 20:27:46,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:46,028 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:27:46,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2021-10-21 20:27:46,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:46,089 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:27:46,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46 WrapperNode [2021-10-21 20:27:46,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:46,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:46,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:27:46,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:27:46,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:46,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:27:46,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:27:46,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:27:46,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:27:46,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:27:46,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:27:46,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:27:46,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (1/1) ... [2021-10-21 20:27:46,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:27:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:46,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:46,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:27:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:27:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:27:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 20:27:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:27:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 20:27:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:27:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:27:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:27:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-21 20:27:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:27:46,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:27:46,614 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 20:27:46,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:46 BoogieIcfgContainer [2021-10-21 20:27:46,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:27:46,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:27:46,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:27:46,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:27:46,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:27:45" (1/3) ... [2021-10-21 20:27:46,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58408733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:27:46, skipping insertion in model container [2021-10-21 20:27:46,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:46" (2/3) ... [2021-10-21 20:27:46,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58408733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:27:46, skipping insertion in model container [2021-10-21 20:27:46,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:46" (3/3) ... [2021-10-21 20:27:46,627 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2021-10-21 20:27:46,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:27:46,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:27:46,717 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:27:46,725 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:27:46,726 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:27:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 20:27:46,775 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:46,775 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:46,776 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:46,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:46,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1906423550, now seen corresponding path program 1 times [2021-10-21 20:27:46,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:46,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398124741] [2021-10-21 20:27:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:46,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:47,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:47,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398124741] [2021-10-21 20:27:47,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398124741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:47,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:47,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:27:47,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540804496] [2021-10-21 20:27:47,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:27:47,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:47,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:27:47,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:27:47,085 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:47,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:47,122 INFO L93 Difference]: Finished difference Result 62 states and 96 transitions. [2021-10-21 20:27:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:27:47,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-21 20:27:47,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:47,134 INFO L225 Difference]: With dead ends: 62 [2021-10-21 20:27:47,134 INFO L226 Difference]: Without dead ends: 29 [2021-10-21 20:27:47,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:27:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-21 20:27:47,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-21 20:27:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2021-10-21 20:27:47,175 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 9 [2021-10-21 20:27:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:47,175 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2021-10-21 20:27:47,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-10-21 20:27:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 20:27:47,177 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:47,177 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:47,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:27:47,178 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1481927263, now seen corresponding path program 1 times [2021-10-21 20:27:47,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:47,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764548211] [2021-10-21 20:27:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:47,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:47,291 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:47,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:47,445 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:27:47,447 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:47,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:27:47,458 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:27:47,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:27:47 BoogieIcfgContainer [2021-10-21 20:27:47,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:27:47,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:27:47,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:27:47,532 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:27:47,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:46" (3/4) ... [2021-10-21 20:27:47,537 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:27:47,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:27:47,540 INFO L168 Benchmark]: Toolchain (without parser) took 1869.37 ms. Allocated memory was 117.4 MB in the beginning and 148.9 MB in the end (delta: 31.5 MB). Free memory was 86.7 MB in the beginning and 109.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:47,541 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:47,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.52 ms. Allocated memory is still 117.4 MB. Free memory was 86.4 MB in the beginning and 89.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:47,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.05 ms. Allocated memory is still 117.4 MB. Free memory was 89.0 MB in the beginning and 86.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:47,551 INFO L168 Benchmark]: Boogie Preprocessor took 39.59 ms. Allocated memory is still 117.4 MB. Free memory was 86.9 MB in the beginning and 85.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:47,553 INFO L168 Benchmark]: RCFGBuilder took 431.55 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 70.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:47,554 INFO L168 Benchmark]: TraceAbstraction took 910.82 ms. Allocated memory was 117.4 MB in the beginning and 148.9 MB in the end (delta: 31.5 MB). Free memory was 70.2 MB in the beginning and 109.0 MB in the end (delta: -38.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:47,554 INFO L168 Benchmark]: Witness Printer took 6.34 ms. Allocated memory is still 148.9 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:47,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.52 ms. Allocated memory is still 117.4 MB. Free memory was 86.4 MB in the beginning and 89.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.05 ms. Allocated memory is still 117.4 MB. Free memory was 89.0 MB in the beginning and 86.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.59 ms. Allocated memory is still 117.4 MB. Free memory was 86.9 MB in the beginning and 85.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 431.55 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 70.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 910.82 ms. Allocated memory was 117.4 MB in the beginning and 148.9 MB in the end (delta: 31.5 MB). Free memory was 70.2 MB in the beginning and 109.0 MB in the end (delta: -38.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.34 ms. Allocated memory is still 148.9 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 132]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L128] float x = -1.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L68] COND TRUE ix >= 0x50800000 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L69] COND TRUE ((ix) > 0x7f800000L) [L70] return x + x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L129] float res = atan_float(x); [L131] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L132] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 741.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 29.7ms, AutomataDifference: 68.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 21.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.2ms SsaConstructionTime, 177.0ms SatisfiabilityAnalysisTime, 118.4ms InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:27:47,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:27:50,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:27:50,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:27:50,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:27:50,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:27:50,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:27:50,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:27:50,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:27:50,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:27:50,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:27:50,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:27:50,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:27:50,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:27:50,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:27:50,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:27:50,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:27:50,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:27:50,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:27:50,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:27:50,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:27:50,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:27:50,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:27:50,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:27:50,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:27:50,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:27:50,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:27:50,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:27:50,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:27:50,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:27:50,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:27:50,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:27:50,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:27:50,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:27:50,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:27:50,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:27:50,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:27:50,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:27:50,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:27:50,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:27:50,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:27:50,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:27:50,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:27:50,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:27:50,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:27:50,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:27:50,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:27:50,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:27:50,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:27:50,396 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:27:50,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:27:50,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:27:50,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:27:50,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:27:50,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:27:50,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:27:50,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:27:50,398 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:27:50,398 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:27:50,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:27:50,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:27:50,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:27:50,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:27:50,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:27:50,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:27:50,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:27:50,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:27:50,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:27:50,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:27:50,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:27:50,401 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:27:50,401 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:27:50,401 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:27:50,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:27:50,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:27:50,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:27:50,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:27:50,405 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2021-10-21 20:27:50,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:27:50,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:27:50,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:27:50,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:27:50,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:27:50,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2021-10-21 20:27:50,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/462b25f40/d9d13920704b4667a9e818adc4a69e3b/FLAGdbc487a03 [2021-10-21 20:27:51,656 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:27:51,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2021-10-21 20:27:51,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/462b25f40/d9d13920704b4667a9e818adc4a69e3b/FLAGdbc487a03 [2021-10-21 20:27:51,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/data/462b25f40/d9d13920704b4667a9e818adc4a69e3b [2021-10-21 20:27:51,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:27:51,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:27:51,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:51,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:27:51,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:27:51,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:51" (1/1) ... [2021-10-21 20:27:51,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781e7392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:51, skipping insertion in model container [2021-10-21 20:27:51,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:51" (1/1) ... [2021-10-21 20:27:51,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:27:52,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:27:52,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2021-10-21 20:27:52,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:52,218 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:27:52,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2021-10-21 20:27:52,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:52,356 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:27:52,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52 WrapperNode [2021-10-21 20:27:52,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:52,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:52,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:27:52,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:27:52,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:52,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:27:52,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:27:52,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:27:52,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:27:52,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:27:52,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:27:52,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:27:52,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (1/1) ... [2021-10-21 20:27:52,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:27:52,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:52,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:52,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:27:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-21 20:27:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:27:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:27:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-21 20:27:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:27:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:27:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:27:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-21 20:27:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:27:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:28:03,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:28:03,668 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 20:28:03,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:03 BoogieIcfgContainer [2021-10-21 20:28:03,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:28:03,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:28:03,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:28:03,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:28:03,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:27:51" (1/3) ... [2021-10-21 20:28:03,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a1da12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:28:03, skipping insertion in model container [2021-10-21 20:28:03,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:52" (2/3) ... [2021-10-21 20:28:03,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a1da12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:28:03, skipping insertion in model container [2021-10-21 20:28:03,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:03" (3/3) ... [2021-10-21 20:28:03,680 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2021-10-21 20:28:03,687 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:28:03,687 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:28:03,743 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:28:03,751 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:28:03,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:28:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:03,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 20:28:03,773 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:03,774 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:03,775 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:03,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:03,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1906423550, now seen corresponding path program 1 times [2021-10-21 20:28:03,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:03,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930671364] [2021-10-21 20:28:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:03,798 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:03,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:03,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:03,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:28:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:04,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 20:28:04,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:04,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:05,008 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:05,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930671364] [2021-10-21 20:28:05,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930671364] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:05,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:05,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 20:28:05,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408057043] [2021-10-21 20:28:05,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:28:05,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:05,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:28:05,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:28:05,034 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:05,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:05,055 INFO L93 Difference]: Finished difference Result 62 states and 96 transitions. [2021-10-21 20:28:05,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:28:05,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-21 20:28:05,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:05,068 INFO L225 Difference]: With dead ends: 62 [2021-10-21 20:28:05,068 INFO L226 Difference]: Without dead ends: 29 [2021-10-21 20:28:05,071 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:28:05,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-21 20:28:05,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-21 20:28:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2021-10-21 20:28:05,105 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 9 [2021-10-21 20:28:05,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:05,106 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2021-10-21 20:28:05,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-10-21 20:28:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 20:28:05,108 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:05,108 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:05,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:05,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:05,323 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:05,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:05,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1481927263, now seen corresponding path program 1 times [2021-10-21 20:28:05,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:05,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983607522] [2021-10-21 20:28:05,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:05,326 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:05,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:05,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:05,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:28:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:06,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:28:06,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:06,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:07,241 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:07,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983607522] [2021-10-21 20:28:07,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983607522] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:07,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:07,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-21 20:28:07,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316129141] [2021-10-21 20:28:07,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:28:07,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:07,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:28:07,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:28:07,246 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:07,645 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2021-10-21 20:28:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:28:07,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-21 20:28:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:07,651 INFO L225 Difference]: With dead ends: 33 [2021-10-21 20:28:07,651 INFO L226 Difference]: Without dead ends: 12 [2021-10-21 20:28:07,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 538.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:28:07,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-21 20:28:07,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-21 20:28:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2021-10-21 20:28:07,656 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2021-10-21 20:28:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:07,656 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2021-10-21 20:28:07,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2021-10-21 20:28:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:28:07,665 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:07,665 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:07,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:07,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:07,879 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:07,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:07,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1305344773, now seen corresponding path program 1 times [2021-10-21 20:28:07,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:07,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112220990] [2021-10-21 20:28:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:07,881 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:07,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:07,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:07,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 20:28:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:09,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 20:28:09,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:10,603 INFO L354 Elim1Store]: treesize reduction 350, result has 15.7 percent of original size [2021-10-21 20:28:10,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 95 treesize of output 138 [2021-10-21 20:28:17,354 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-10-21 20:28:17,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 77 [2021-10-21 20:28:17,491 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-10-21 20:28:17,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 90 [2021-10-21 20:28:18,060 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-10-21 20:28:18,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 50 [2021-10-21 20:28:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:19,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:23,560 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32)) (|v_ULTIMATE.start_atan_float_~#gf_u~1.base_8| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_atan_float_~#gf_u~1.base_8|))) (fp.eq (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_atan_float_~#gf_u~1.base_8| (store (select |c_#memory_int| |v_ULTIMATE.start_atan_float_~#gf_u~1.base_8|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_8|)))) (fp.sub c_currentRoundingMode (fp.neg (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.neg c_~pi_o_2~0)))) is different from false [2021-10-21 20:28:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:23,791 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:23,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112220990] [2021-10-21 20:28:23,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112220990] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:23,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:23,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-10-21 20:28:23,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096376637] [2021-10-21 20:28:23,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 20:28:23,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:23,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:28:23,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=53, Unknown=1, NotChecked=14, Total=90 [2021-10-21 20:28:23,795 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:26,887 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2021-10-21 20:28:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:28:26,887 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 20:28:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:26,888 INFO L225 Difference]: With dead ends: 12 [2021-10-21 20:28:26,888 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:28:26,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 7230.8ms TimeCoverageRelationStatistics Valid=39, Invalid=74, Unknown=1, NotChecked=18, Total=132 [2021-10-21 20:28:26,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:28:26,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:28:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:28:26,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-10-21 20:28:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:26,891 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:28:26,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:28:26,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:28:26,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:28:26,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:27,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:27,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:28:27,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:28:27,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:28:27,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:28:27,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:28:27,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:28:28,253 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-21 20:28:28,253 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 76 101) no Hoare annotation was computed. [2021-10-21 20:28:28,254 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-21 20:28:28,254 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-21 20:28:28,254 INFO L857 garLoopResultBuilder]: For program point L118-2(line 118) no Hoare annotation was computed. [2021-10-21 20:28:28,255 INFO L853 garLoopResultBuilder]: At program point L118-3(lines 58 120) the Hoare annotation is: (and (exists ((ULTIMATE.start_atan_float_~hx~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) ULTIMATE.start_atan_float_~ix~1))) (exists ((v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (and (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 15707962513.0 10000000000.0)))) (= (fp.sub roundNearestTiesToEven (fp.neg .cse0) .cse1) |ULTIMATE.start_atan_float_#res|) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 75497894159.0 1000000000000000000.0))))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)))) (not (= |~#atanlo_atan~0.base| |~#atanhi_atan~0.base|)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse2 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_atan_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |~#atanlo_atan~0.base|))) (_ bv1 1))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse3 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |~#atanhi_atan~0.base|))) (_ bv1 1)))) [2021-10-21 20:28:28,255 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 80) no Hoare annotation was computed. [2021-10-21 20:28:28,255 INFO L857 garLoopResultBuilder]: For program point L77-2(lines 77 80) no Hoare annotation was computed. [2021-10-21 20:28:28,255 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-10-21 20:28:28,256 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:28:28,256 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:28:28,256 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 79) no Hoare annotation was computed. [2021-10-21 20:28:28,257 INFO L860 garLoopResultBuilder]: At program point L136(lines 122 137) the Hoare annotation is: true [2021-10-21 20:28:28,257 INFO L857 garLoopResultBuilder]: For program point L62-1(lines 62 66) no Hoare annotation was computed. [2021-10-21 20:28:28,257 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 66) the Hoare annotation is: (and (not (= |~#atanlo_atan~0.base| |~#atanhi_atan~0.base|)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_atan_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |~#atanlo_atan~0.base|))) (_ bv1 1))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |~#atanhi_atan~0.base|))) (_ bv1 1)))) [2021-10-21 20:28:28,257 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-21 20:28:28,258 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-21 20:28:28,258 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-21 20:28:28,258 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 74) no Hoare annotation was computed. [2021-10-21 20:28:28,259 INFO L853 garLoopResultBuilder]: At program point L31(lines 19 32) the Hoare annotation is: false [2021-10-21 20:28:28,259 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2021-10-21 20:28:28,259 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 134) no Hoare annotation was computed. [2021-10-21 20:28:28,259 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:28:28,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2021-10-21 20:28:28,260 INFO L857 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-10-21 20:28:28,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:28:28,260 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2021-10-21 20:28:28,261 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 19 32) no Hoare annotation was computed. [2021-10-21 20:28:28,261 INFO L857 garLoopResultBuilder]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2021-10-21 20:28:28,261 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 100) no Hoare annotation was computed. [2021-10-21 20:28:28,261 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 101) no Hoare annotation was computed. [2021-10-21 20:28:28,262 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 75) no Hoare annotation was computed. [2021-10-21 20:28:28,267 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:28:28,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,291 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,303 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,303 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,303 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,304 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,304 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,304 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,304 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,305 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,305 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,305 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,306 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,306 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,306 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,307 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,307 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:28:28 BoogieIcfgContainer [2021-10-21 20:28:28,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:28:28,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:28:28,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:28:28,321 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:28:28,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:03" (3/4) ... [2021-10-21 20:28:28,325 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:28:28,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-21 20:28:28,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 20:28:28,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:28:28,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:28:28,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(atanlo_atan == atanhi_atan) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanlo_atan])), 1bv1)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanhi_atan])), 1bv1) [2021-10-21 20:28:28,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists ULTIMATE.start_atan_float_~hx~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_atan_float_~hx~0[31:31], ULTIMATE.start_atan_float_~hx~0[30:23], ULTIMATE.start_atan_float_~hx~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_atan_float_~hx~0) == ix) && (\exists v_arrayElimCell_8 : bv32, v_arrayElimCell_7 : bv32 :: (~fp~LONGDOUBLE(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 15707962513/10000000000)) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0])), ~fp~LONGDOUBLE(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0])) == \result) && ~fp~LONGDOUBLE(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 75497894159/1000000000000000000)))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !(atanlo_atan == atanhi_atan)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanlo_atan])), 1bv1)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanhi_atan])), 1bv1) [2021-10-21 20:28:28,449 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:28:28,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:28:28,450 INFO L168 Benchmark]: Toolchain (without parser) took 36472.01 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 44.5 MB in the beginning and 47.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,451 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:28,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.68 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 45.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.03 ms. Allocated memory is still 65.0 MB. Free memory was 45.7 MB in the beginning and 43.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,453 INFO L168 Benchmark]: Boogie Preprocessor took 90.87 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 41.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,453 INFO L168 Benchmark]: RCFGBuilder took 11138.49 ms. Allocated memory is still 65.0 MB. Free memory was 41.3 MB in the beginning and 39.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,454 INFO L168 Benchmark]: TraceAbstraction took 24647.29 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 38.8 MB in the beginning and 52.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,454 INFO L168 Benchmark]: Witness Printer took 129.06 ms. Allocated memory is still 94.4 MB. Free memory was 52.2 MB in the beginning and 47.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:28,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.68 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 45.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.03 ms. Allocated memory is still 65.0 MB. Free memory was 45.7 MB in the beginning and 43.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.87 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 41.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11138.49 ms. Allocated memory is still 65.0 MB. Free memory was 41.3 MB in the beginning and 39.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24647.29 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 38.8 MB in the beginning and 52.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Witness Printer took 129.06 ms. Allocated memory is still 94.4 MB. Free memory was 52.2 MB in the beginning and 47.5 MB in the end (delta: 4.7 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[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 132]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24526.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 12.7ms, AutomataDifference: 3555.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1145.6ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 53 SDtfs, 52 SDslu, 16 SDs, 0 SdLazy, 22 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 435.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 7769.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 299 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 52.3ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1087.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 55.9ms SsaConstructionTime, 3010.8ms SatisfiabilityAnalysisTime, 15788.0ms InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 10 QuantifiedInterpolants, 1349 SizeOfPredicates, 21 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 58]: Loop Invariant [2021-10-21 20:28:28,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2021-10-21 20:28:28,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-10-21 20:28:28,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_7,QUANTIFIED] [2021-10-21 20:28:28,503 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,503 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((((\exists ULTIMATE.start_atan_float_~hx~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_atan_float_~hx~0[31:31], ULTIMATE.start_atan_float_~hx~0[30:23], ULTIMATE.start_atan_float_~hx~0[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start_atan_float_~hx~0) == ix) && (\exists v_arrayElimCell_8 : bv32, v_arrayElimCell_7 : bv32 :: (~fp~LONGDOUBLE(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 15707962513/10000000000)) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0])), ~fp~LONGDOUBLE(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0])) == \result) && ~fp~LONGDOUBLE(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 75497894159/1000000000000000000)))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !(atanlo_atan == atanhi_atan)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanlo_atan])), 1bv1)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanhi_atan])), 1bv1) - InvariantResult [Line: 62]: Loop Invariant [2021-10-21 20:28:28,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 20:28:28,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 20:28:28,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((!(atanlo_atan == atanhi_atan) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanlo_atan])), 1bv1)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[atanhi_atan])), 1bv1) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:28:28,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb41890-dc57-439c-9f98-54916d11bfe7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...