./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0710.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0710.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8 --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 213c24ef3c7753bf19a615c5715fd8340a45826778b0f8f910dadd2d17208462 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:09:16,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:09:16,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:09:16,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:09:16,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:09:16,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:09:16,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:09:16,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:09:16,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:09:16,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:09:16,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:09:16,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:09:16,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:09:16,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:09:16,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:09:16,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:09:16,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:09:16,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:09:16,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:09:16,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:09:16,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:09:16,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:09:16,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:09:16,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:09:16,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:09:16,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:09:16,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:09:16,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:09:16,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:09:16,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:09:16,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:09:16,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:09:16,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:09:16,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:09:16,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:09:16,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:09:16,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:09:16,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:09:16,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:09:16,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:09:16,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:09:16,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 11:09:16,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:09:16,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:09:16,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:09:16,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:09:16,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:09:16,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:09:16,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:09:16,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:09:16,446 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:09:16,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:09:16,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:09:16,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:09:16,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:09:16,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:09:16,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:09:16,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:09:16,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:09:16,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:09:16,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:09:16,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:09:16,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:09:16,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:09:16,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:09:16,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:09:16,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:09:16,450 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:09:16,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:09:16,450 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:09:16,450 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c24ef3c7753bf19a615c5715fd8340a45826778b0f8f910dadd2d17208462 [2022-12-13 11:09:16,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:09:16,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:09:16,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:09:16,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:09:16,665 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:09:16,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2022-12-13 11:09:19,249 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:09:19,372 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:09:19,373 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2022-12-13 11:09:19,377 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data/b7dffab73/b6e5568e8fd140f2a04d171e90e1db1a/FLAGe521973ad [2022-12-13 11:09:19,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data/b7dffab73/b6e5568e8fd140f2a04d171e90e1db1a [2022-12-13 11:09:19,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:09:19,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:09:19,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:09:19,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:09:19,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:09:19,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca0bd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19, skipping insertion in model container [2022-12-13 11:09:19,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:09:19,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:09:19,571 WARN L237 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_5bb84868-e0d0-45b7-827a-07b7a3d69563/sv-benchmarks/c/float-newlib/float_req_bl_0710.c[1961,1974] [2022-12-13 11:09:19,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:09:19,584 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:09:19,608 WARN L237 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_5bb84868-e0d0-45b7-827a-07b7a3d69563/sv-benchmarks/c/float-newlib/float_req_bl_0710.c[1961,1974] [2022-12-13 11:09:19,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:09:19,623 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:09:19,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19 WrapperNode [2022-12-13 11:09:19,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:09:19,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:09:19,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:09:19,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:09:19,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,661 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2022-12-13 11:09:19,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:09:19,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:09:19,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:09:19,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:09:19,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:09:19,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:09:19,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:09:19,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:09:19,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (1/1) ... [2022-12-13 11:09:19,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:09:19,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:09:19,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:09:19,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-13 11:09:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:09:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:09:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:09:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:09:19,810 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:09:19,812 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:09:19,974 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:09:19,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:09:19,979 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 11:09:19,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:09:19 BoogieIcfgContainer [2022-12-13 11:09:19,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:09:19,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:09:19,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:09:19,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:09:19,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:09:19" (1/3) ... [2022-12-13 11:09:19,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d36859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:09:19, skipping insertion in model container [2022-12-13 11:09:19,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:19" (2/3) ... [2022-12-13 11:09:19,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d36859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:09:19, skipping insertion in model container [2022-12-13 11:09:19,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:09:19" (3/3) ... [2022-12-13 11:09:19,988 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710.c [2022-12-13 11:09:20,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:09:20,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:09:20,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:09:20,063 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57b790fd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:09:20,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:09:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 33 states have (on average 1.606060606060606) internal successors, (53), 34 states have internal predecessors, (53), 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) [2022-12-13 11:09:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 11:09:20,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:09:20,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:09:20,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:09:20,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:09:20,079 INFO L85 PathProgramCache]: Analyzing trace with hash 860611220, now seen corresponding path program 1 times [2022-12-13 11:09:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:09:20,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464594653] [2022-12-13 11:09:20,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:09:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:09:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:09:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:09:20,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:09:20,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464594653] [2022-12-13 11:09:20,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464594653] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:09:20,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:09:20,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:09:20,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505457559] [2022-12-13 11:09:20,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:09:20,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:09:20,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:09:20,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:09:20,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:09:20,225 INFO L87 Difference]: Start difference. First operand has 35 states, 33 states have (on average 1.606060606060606) internal successors, (53), 34 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 11:09:20,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:09:20,239 INFO L93 Difference]: Finished difference Result 67 states and 102 transitions. [2022-12-13 11:09:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:09:20,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 [2022-12-13 11:09:20,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:09:20,248 INFO L225 Difference]: With dead ends: 67 [2022-12-13 11:09:20,248 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 11:09:20,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:09:20,252 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:09:20,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:09:20,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 11:09:20,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-13 11:09:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:09:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2022-12-13 11:09:20,278 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2022-12-13 11:09:20,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:09:20,278 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2022-12-13 11:09:20,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 11:09:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-12-13 11:09:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 11:09:20,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:09:20,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:09:20,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:09:20,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:09:20,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:09:20,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1279985196, now seen corresponding path program 1 times [2022-12-13 11:09:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:09:20,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333050383] [2022-12-13 11:09:20,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:09:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:09:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:09:20,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:09:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:09:20,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:09:20,345 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:09:20,347 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:09:20,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:09:20,351 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:09:20,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:09:20,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:09:20 BoogieIcfgContainer [2022-12-13 11:09:20,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:09:20,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:09:20,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:09:20,379 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:09:20,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:09:19" (3/4) ... [2022-12-13 11:09:20,381 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:09:20,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:09:20,382 INFO L158 Benchmark]: Toolchain (without parser) took 991.33ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 119.9MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:09:20,382 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:09:20,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.81ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 98.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 11:09:20,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 151.0MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:09:20,383 INFO L158 Benchmark]: Boogie Preprocessor took 22.92ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 94.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:09:20,383 INFO L158 Benchmark]: RCFGBuilder took 295.35ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 80.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:09:20,384 INFO L158 Benchmark]: TraceAbstraction took 396.01ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 120.7MB in the end (delta: -40.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-12-13 11:09:20,384 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 151.0MB. Free memory was 120.7MB in the beginning and 119.9MB in the end (delta: 775.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:09:20,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.81ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 98.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 151.0MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.92ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 94.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.35ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 80.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 396.01ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 120.7MB in the end (delta: -40.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 151.0MB. Free memory was 120.7MB in the beginning and 119.9MB in the end (delta: 775.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 100]: 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 15, overapproximation of bitwiseAnd at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 32. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float x = __VERIFIER_nondet_float(); [L94] COND TRUE x < -0.0f [L96] CALL, EXPR __ieee754_sqrtf(x) [L20] float z; [L21] __uint32_t r, hx; [L22] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6434062345, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6434062345] [L25] ieee_float_shape_type gf_u; [L26] gf_u.value = (x) [L27] EXPR gf_u.word [L27] (ix) = gf_u.word [L29] hx = ix & 0x7fffffff VAL [\old(x)=6434062345, hx=2139095040, ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6434062345] [L31] COND TRUE !((hx) < 0x7f800000L) [L32] return x * x + x; VAL [\old(x)=6434062345, hx=2139095040, ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6434062345] [L96] RET, EXPR __ieee754_sqrtf(x) [L96] float res = __ieee754_sqrtf(x); [L99] CALL, EXPR isnan_float(res) [L15] return x != x; VAL [\old(x)=6434062344, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6434062344] [L99] RET, EXPR isnan_float(res) [L99] COND TRUE !isnan_float(res) [L100] reach_error() VAL [one_sqrt=1, res=6434062344, tiny_sqrt=1/1000000000000000000000000000000, x=6434062345] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-12-13 11:09:20,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0710.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8 --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 213c24ef3c7753bf19a615c5715fd8340a45826778b0f8f910dadd2d17208462 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:09:21,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:09:21,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:09:22,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:09:22,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:09:22,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:09:22,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:09:22,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:09:22,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:09:22,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:09:22,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:09:22,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:09:22,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:09:22,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:09:22,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:09:22,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:09:22,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:09:22,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:09:22,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:09:22,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:09:22,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:09:22,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:09:22,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:09:22,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:09:22,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:09:22,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:09:22,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:09:22,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:09:22,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:09:22,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:09:22,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:09:22,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:09:22,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:09:22,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:09:22,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:09:22,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:09:22,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:09:22,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:09:22,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:09:22,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:09:22,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:09:22,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 11:09:22,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:09:22,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:09:22,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:09:22,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:09:22,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:09:22,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:09:22,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:09:22,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:09:22,073 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:09:22,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:09:22,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:09:22,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:09:22,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:09:22,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:09:22,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:09:22,077 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:09:22,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:09:22,077 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:09:22,077 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:09:22,077 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c24ef3c7753bf19a615c5715fd8340a45826778b0f8f910dadd2d17208462 [2022-12-13 11:09:22,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:09:22,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:09:22,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:09:22,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:09:22,300 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:09:22,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2022-12-13 11:09:24,881 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:09:25,045 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:09:25,045 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2022-12-13 11:09:25,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data/7f9af9ac5/f92f59e125fe435fa9519e8c69a0dc7f/FLAG761c15e1f [2022-12-13 11:09:25,064 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/data/7f9af9ac5/f92f59e125fe435fa9519e8c69a0dc7f [2022-12-13 11:09:25,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:09:25,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:09:25,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:09:25,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:09:25,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:09:25,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9c67b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25, skipping insertion in model container [2022-12-13 11:09:25,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:09:25,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:09:25,217 WARN L237 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_5bb84868-e0d0-45b7-827a-07b7a3d69563/sv-benchmarks/c/float-newlib/float_req_bl_0710.c[1961,1974] [2022-12-13 11:09:25,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:09:25,230 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:09:25,248 WARN L237 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_5bb84868-e0d0-45b7-827a-07b7a3d69563/sv-benchmarks/c/float-newlib/float_req_bl_0710.c[1961,1974] [2022-12-13 11:09:25,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:09:25,260 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:09:25,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25 WrapperNode [2022-12-13 11:09:25,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:09:25,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:09:25,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:09:25,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:09:25,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,288 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2022-12-13 11:09:25,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:09:25,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:09:25,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:09:25,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:09:25,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:09:25,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:09:25,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:09:25,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:09:25,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (1/1) ... [2022-12-13 11:09:25,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:09:25,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:09:25,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:09:25,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:09:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:09:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 11:09:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:09:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-13 11:09:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 11:09:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:09:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:09:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-12-13 11:09:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 11:09:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:09:25,462 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:09:25,464 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:09:26,444 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:09:26,448 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:09:26,448 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 11:09:26,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:09:26 BoogieIcfgContainer [2022-12-13 11:09:26,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:09:26,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:09:26,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:09:26,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:09:26,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:09:25" (1/3) ... [2022-12-13 11:09:26,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b362baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:09:26, skipping insertion in model container [2022-12-13 11:09:26,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:09:25" (2/3) ... [2022-12-13 11:09:26,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b362baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:09:26, skipping insertion in model container [2022-12-13 11:09:26,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:09:26" (3/3) ... [2022-12-13 11:09:26,455 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710.c [2022-12-13 11:09:26,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:09:26,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:09:26,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:09:26,503 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37973056, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:09:26,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:09:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 33 states have (on average 1.606060606060606) internal successors, (53), 34 states have internal predecessors, (53), 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) [2022-12-13 11:09:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 11:09:26,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:09:26,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:09:26,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:09:26,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:09:26,514 INFO L85 PathProgramCache]: Analyzing trace with hash 860611220, now seen corresponding path program 1 times [2022-12-13 11:09:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:09:26,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393129551] [2022-12-13 11:09:26,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:09:26,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:09:26,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:09:26,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:09:26,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 11:09:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:09:26,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 11:09:26,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:09:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:09:26,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:09:26,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:09:26,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393129551] [2022-12-13 11:09:26,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393129551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:09:26,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:09:26,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:09:26,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548975421] [2022-12-13 11:09:26,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:09:26,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:09:26,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:09:26,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:09:26,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:09:26,732 INFO L87 Difference]: Start difference. First operand has 35 states, 33 states have (on average 1.606060606060606) internal successors, (53), 34 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 11:09:26,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:09:26,744 INFO L93 Difference]: Finished difference Result 67 states and 102 transitions. [2022-12-13 11:09:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:09:26,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 [2022-12-13 11:09:26,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:09:26,751 INFO L225 Difference]: With dead ends: 67 [2022-12-13 11:09:26,751 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 11:09:26,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:09:26,755 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:09:26,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:09:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 11:09:26,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-13 11:09:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:09:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2022-12-13 11:09:26,778 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2022-12-13 11:09:26,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:09:26,778 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2022-12-13 11:09:26,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 11:09:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-12-13 11:09:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 11:09:26,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:09:26,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:09:26,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:09:26,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:09:26,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:09:26,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:09:26,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1279985196, now seen corresponding path program 1 times [2022-12-13 11:09:26,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:09:26,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245310853] [2022-12-13 11:09:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:09:26,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:09:26,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:09:26,989 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:09:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 11:09:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:09:27,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 11:09:27,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:09:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:09:37,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:09:37,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:09:37,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245310853] [2022-12-13 11:09:37,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245310853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:09:37,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:09:37,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 11:09:37,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573063596] [2022-12-13 11:09:37,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:09:37,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:09:37,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:09:37,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:09:37,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2022-12-13 11:09:37,165 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 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) [2022-12-13 11:09:39,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:09:43,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:09:46,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:09:58,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:05,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:12,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:15,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:17,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:20,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:22,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 11:10:22,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:10:22,875 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-12-13 11:10:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 11:10:23,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 11:10:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:10:23,438 INFO L225 Difference]: With dead ends: 39 [2022-12-13 11:10:23,438 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 11:10:23,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 26.6s TimeCoverageRelationStatistics Valid=56, Invalid=96, Unknown=4, NotChecked=0, Total=156 [2022-12-13 11:10:23,439 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 24 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:10:23,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 22 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 10 Unknown, 0 Unchecked, 28.2s Time] [2022-12-13 11:10:23,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 11:10:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 11:10:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 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) [2022-12-13 11:10:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2022-12-13 11:10:23,443 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 11 [2022-12-13 11:10:23,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:10:23,443 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2022-12-13 11:10:23,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 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) [2022-12-13 11:10:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2022-12-13 11:10:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 11:10:23,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:10:23,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:10:23,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-12-13 11:10:23,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:10:23,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:10:23,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:10:23,646 INFO L85 PathProgramCache]: Analyzing trace with hash 939378801, now seen corresponding path program 1 times [2022-12-13 11:10:23,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:10:23,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684732962] [2022-12-13 11:10:23,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:10:23,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:10:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:10:23,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:10:23,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 11:10:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:10:23,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 11:10:23,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:10:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:10:30,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:10:30,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:10:30,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684732962] [2022-12-13 11:10:30,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684732962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:10:30,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:10:30,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:10:30,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587475572] [2022-12-13 11:10:30,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:10:30,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:10:30,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:10:30,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:10:30,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:10:30,457 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-12-13 11:10:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:10:40,676 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2022-12-13 11:10:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:10:40,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-13 11:10:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:10:40,677 INFO L225 Difference]: With dead ends: 14 [2022-12-13 11:10:40,677 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:10:40,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:10:40,678 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:10:40,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 11:10:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:10:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:10:40,679 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) [2022-12-13 11:10:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:10:40,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-12-13 11:10:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:10:40,680 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:10:40,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-12-13 11:10:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:10:40,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:10:40,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:10:40,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 11:10:40,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:10:40,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:10:49,475 WARN L233 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 36 DAG size of output: 25 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 11:11:19,599 WARN L233 SmtUtils]: Spent 30.09s on a formula simplification. DAG size of input: 39 DAG size of output: 28 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 11:11:19,602 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 86 106) the Hoare annotation is: true [2022-12-13 11:11:19,602 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-12-13 11:11:19,602 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 103) no Hoare annotation was computed. [2022-12-13 11:11:19,602 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:11:19,602 INFO L899 garLoopResultBuilder]: For program point L94-2(lines 94 103) no Hoare annotation was computed. [2022-12-13 11:11:19,602 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-12-13 11:11:19,603 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2022-12-13 11:11:19,603 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2022-12-13 11:11:19,603 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 73) no Hoare annotation was computed. [2022-12-13 11:11:19,603 INFO L895 garLoopResultBuilder]: At program point __ieee754_sqrtf_returnLabel#1(lines 19 84) the Hoare annotation is: (and (exists ((|ULTIMATE.start___ieee754_sqrtf_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_sqrtf_~x#1| |ULTIMATE.start___ieee754_sqrtf_~x#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_sqrtf_#res#1|)) (fp.lt |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.neg (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))) (exists ((|ULTIMATE.start___ieee754_sqrtf_~ix~0#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) |ULTIMATE.start___ieee754_sqrtf_~hx~0#1|) (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))))) (= currentRoundingMode roundNearestTiesToEven)) [2022-12-13 11:11:19,603 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:11:19,603 INFO L895 garLoopResultBuilder]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2022-12-13 11:11:19,603 INFO L899 garLoopResultBuilder]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2022-12-13 11:11:19,603 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2022-12-13 11:11:19,603 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2022-12-13 11:11:19,604 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2022-12-13 11:11:19,604 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2022-12-13 11:11:19,604 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2022-12-13 11:11:19,606 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:11:19,606 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2022-12-13 11:11:19,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2022-12-13 11:11:19,607 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2022-12-13 11:11:19,607 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2022-12-13 11:11:19,607 INFO L895 garLoopResultBuilder]: At program point isnan_float_returnLabel#1(line 15) the Hoare annotation is: (and (exists ((|ULTIMATE.start___ieee754_sqrtf_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_sqrtf_~x#1| |ULTIMATE.start___ieee754_sqrtf_~x#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_sqrtf_#res#1|)) (fp.lt |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.neg (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))) (exists ((|ULTIMATE.start___ieee754_sqrtf_~ix~0#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) |ULTIMATE.start___ieee754_sqrtf_~hx~0#1|) (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-12-13 11:11:19,608 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 28) the Hoare annotation is: (and (fp.lt |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L895 garLoopResultBuilder]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 102) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2022-12-13 11:11:19,608 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 74) no Hoare annotation was computed. [2022-12-13 11:11:19,611 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 11:11:19,613 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:11:19,623 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,626 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,627 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,627 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,628 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,628 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,628 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,628 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,628 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,629 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,629 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,629 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,629 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,629 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,630 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,630 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,631 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,631 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,631 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,631 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,631 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,631 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,632 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,632 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,632 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,632 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,633 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,633 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,633 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,633 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,633 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,634 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,634 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,634 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,634 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,634 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,634 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,635 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,635 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,635 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,635 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,636 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,637 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:11:19 BoogieIcfgContainer [2022-12-13 11:11:19,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:11:19,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:11:19,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:11:19,638 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:11:19,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:09:26" (3/4) ... [2022-12-13 11:11:19,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:11:19,650 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 11:11:19,651 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 11:11:19,651 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:11:19,651 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:11:19,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start___ieee754_sqrtf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1)) == \result) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0#1) == hx && x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0#1[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-12-13 11:11:19,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start___ieee754_sqrtf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1)) == \result) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0#1) == hx && x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0#1[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2022-12-13 11:11:19,686 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:11:19,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:11:19,686 INFO L158 Benchmark]: Toolchain (without parser) took 114618.78ms. Allocated memory is still 71.3MB. Free memory was 50.6MB in the beginning and 42.3MB in the end (delta: 8.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,687 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:11:19,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.66ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 38.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.15ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 36.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,688 INFO L158 Benchmark]: Boogie Preprocessor took 31.88ms. Allocated memory is still 71.3MB. Free memory was 36.6MB in the beginning and 52.1MB in the end (delta: -15.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,688 INFO L158 Benchmark]: RCFGBuilder took 1128.40ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 37.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,688 INFO L158 Benchmark]: TraceAbstraction took 113186.84ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 45.7MB in the end (delta: -8.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,688 INFO L158 Benchmark]: Witness Printer took 47.98ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 42.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:11:19,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.66ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 38.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.15ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 36.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.88ms. Allocated memory is still 71.3MB. Free memory was 36.6MB in the beginning and 52.1MB in the end (delta: -15.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1128.40ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 37.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 113186.84ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 45.7MB in the end (delta: -8.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Witness Printer took 47.98ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 42.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,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[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 100]: 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 113.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 56.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 29.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 24.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 60 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 39.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 107 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 38.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 3 QuantifiedInterpolants, 177 SizeOfPredicates, 19 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2022-12-13 11:11:19,697 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,697 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2022-12-13 11:11:19,697 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,699 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,699 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,699 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,699 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,699 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,699 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,700 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\exists ULTIMATE.start___ieee754_sqrtf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1)) == \result) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0#1) == hx && x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0#1[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 15]: Loop Invariant [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,702 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~x#1,QUANTIFIED] [2022-12-13 11:11:19,703 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,703 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,703 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,703 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0#1,QUANTIFIED] [2022-12-13 11:11:19,703 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists ULTIMATE.start___ieee754_sqrtf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_sqrtf_~x#1, ULTIMATE.start___ieee754_sqrtf_~x#1)) == \result) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0#1) == hx && x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0#1[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0#1[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 11:11:19,907 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-13 11:11:20,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb84868-e0d0-45b7-827a-07b7a3d69563/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE