./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF --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 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:37:26,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:37:26,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:37:26,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:37:26,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:37:26,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:37:26,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:37:26,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:37:26,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:37:26,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:37:26,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:37:26,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:37:26,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:37:26,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:37:26,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:37:26,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:37:26,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:37:26,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:37:26,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:37:26,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:37:26,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:37:26,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:37:26,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:37:26,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:37:26,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:37:26,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:37:26,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:37:26,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:37:26,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:37:26,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:37:26,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:37:26,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:37:26,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:37:26,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:37:26,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:37:26,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:37:26,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:37:26,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:37:26,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:37:26,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:37:26,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:37:26,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:37:26,297 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:37:26,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:37:26,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:37:26,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:37:26,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:37:26,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:37:26,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:37:26,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:37:26,314 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:37:26,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:37:26,315 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:37:26,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:37:26,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:37:26,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:37:26,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:37:26,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:37:26,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:37:26,317 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:37:26,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:37:26,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:37:26,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:37:26,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:37:26,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:37:26,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:37:26,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:37:26,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:37:26,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:37:26,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:37:26,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:37:26,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:37:26,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:37:26,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:37:26,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:37:26,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:37:26,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2021-11-20 05:37:26,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:37:26,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:37:26,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:37:26,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:37:26,603 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:37:26,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2021-11-20 05:37:26,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/636793b4a/411f1f46fb0d4174a02fbb37485c95db/FLAG29ffc9266 [2021-11-20 05:37:27,078 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:37:27,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2021-11-20 05:37:27,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/636793b4a/411f1f46fb0d4174a02fbb37485c95db/FLAG29ffc9266 [2021-11-20 05:37:27,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/636793b4a/411f1f46fb0d4174a02fbb37485c95db [2021-11-20 05:37:27,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:37:27,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:37:27,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:37:27,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:37:27,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:37:27,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:27,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba6ec9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27, skipping insertion in model container [2021-11-20 05:37:27,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:27,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:37:27,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:37:27,782 WARN L230 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_b448b14c-8949-4c9f-b98f-eb7cf621ed17/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2021-11-20 05:37:27,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:37:27,797 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:37:27,865 WARN L230 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_b448b14c-8949-4c9f-b98f-eb7cf621ed17/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2021-11-20 05:37:27,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:37:27,892 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:37:27,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27 WrapperNode [2021-11-20 05:37:27,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:37:27,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:37:27,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:37:27,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:37:27,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:27,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:27,970 INFO L137 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2021-11-20 05:37:27,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:37:27,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:37:27,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:37:27,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:37:27,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:27,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:37:28,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:37:28,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:37:28,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:37:28,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (1/1) ... [2021-11-20 05:37:28,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:37:28,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:28,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:28,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:37:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:37:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:37:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:37:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 05:37:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:37:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 05:37:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:37:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:37:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:37:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:37:28,210 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:37:28,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:37:28,614 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:37:28,624 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:37:28,624 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-20 05:37:28,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:28 BoogieIcfgContainer [2021-11-20 05:37:28,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:37:28,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:37:28,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:37:28,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:37:28,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:37:27" (1/3) ... [2021-11-20 05:37:28,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a4e742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:37:28, skipping insertion in model container [2021-11-20 05:37:28,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:27" (2/3) ... [2021-11-20 05:37:28,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a4e742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:37:28, skipping insertion in model container [2021-11-20 05:37:28,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:28" (3/3) ... [2021-11-20 05:37:28,641 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2021-11-20 05:37:28,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:37:28,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:37:28,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:37:28,705 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:37:28,706 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:37:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 48 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 05:37:28,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:28,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:28,730 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:28,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2021-11-20 05:37:28,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:37:28,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905511150] [2021-11-20 05:37:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:28,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:37:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:28,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:37:28,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905511150] [2021-11-20 05:37:28,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905511150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:37:28,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:37:28,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:37:28,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249669307] [2021-11-20 05:37:28,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:37:28,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:37:28,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:37:28,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:37:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:37:28,919 INFO L87 Difference]: Start difference. First operand has 49 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 48 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:28,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:37:28,941 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2021-11-20 05:37:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:37:28,943 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-20 05:37:28,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:37:28,952 INFO L225 Difference]: With dead ends: 96 [2021-11-20 05:37:28,953 INFO L226 Difference]: Without dead ends: 46 [2021-11-20 05:37:28,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:37:28,960 INFO L933 BasicCegarLoop]: 68 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, 68 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 [2021-11-20 05:37:28,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:37:28,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-20 05:37:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-20 05:37:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 45 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2021-11-20 05:37:28,998 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2021-11-20 05:37:28,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:37:28,999 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2021-11-20 05:37:28,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2021-11-20 05:37:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 05:37:29,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:29,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:29,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:37:29,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:29,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:29,002 INFO L85 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2021-11-20 05:37:29,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:37:29,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046150775] [2021-11-20 05:37:29,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:29,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:37:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:37:29,043 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:37:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:37:29,085 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:37:29,085 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:37:29,087 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:37:29,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:37:29,093 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 05:37:29,096 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:37:29,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:37:29 BoogieIcfgContainer [2021-11-20 05:37:29,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:37:29,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:37:29,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:37:29,121 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:37:29,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:28" (3/4) ... [2021-11-20 05:37:29,124 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:37:29,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:37:29,125 INFO L158 Benchmark]: Toolchain (without parser) took 1669.03ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 56.4MB in the beginning and 45.0MB in the end (delta: 11.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-20 05:37:29,126 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:37:29,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.37ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 53.1MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:37:29,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.47ms. Allocated memory is still 79.7MB. Free memory was 53.1MB in the beginning and 50.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:37:29,128 INFO L158 Benchmark]: Boogie Preprocessor took 68.74ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 49.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:37:29,128 INFO L158 Benchmark]: RCFGBuilder took 576.55ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 71.0MB in the end (delta: -21.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-20 05:37:29,129 INFO L158 Benchmark]: TraceAbstraction took 492.12ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 45.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-20 05:37:29,129 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 96.5MB. Free memory was 45.4MB in the beginning and 45.0MB in the end (delta: 417.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:37:29,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.37ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 53.1MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.47ms. Allocated memory is still 79.7MB. Free memory was 53.1MB in the beginning and 50.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.74ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 49.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.55ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 71.0MB in the end (delta: -21.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * TraceAbstraction took 492.12ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 45.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 96.5MB. Free memory was 45.4MB in the beginning and 45.0MB in the end (delta: 417.6kB). 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: 147]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double x = 0.0 / 0.0; [L143] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=4294967296, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967296] [L31] ieee_double_shape_type ew_u; [L32] ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] (ix1) = ew_u.parts.lsw [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [\old(x)=4294967296, ix0=-1, ix1=4294967298, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967296] [L143] RET, EXPR __ieee754_sqrt(x) [L143] double res = __ieee754_sqrt(x); [L146] CALL, EXPR isnan_double(res) [L20] return x != x; VAL [\old(x)=4294967297, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967297] [L146] RET, EXPR isnan_double(res) [L146] COND TRUE !isnan_double(res) [L147] reach_error() VAL [one_sqrt=1, res=4294967297, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 68 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, 68 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=49occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 05:37:29,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF --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 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:37:31,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:37:31,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:37:31,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:37:31,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:37:31,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:37:31,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:37:31,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:37:31,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:37:31,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:37:31,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:37:31,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:37:31,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:37:31,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:37:31,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:37:31,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:37:31,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:37:31,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:37:31,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:37:31,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:37:31,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:37:31,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:37:31,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:37:31,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:37:31,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:37:31,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:37:31,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:37:31,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:37:31,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:37:31,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:37:31,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:37:31,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:37:31,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:37:31,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:37:31,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:37:31,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:37:31,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:37:31,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:37:31,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:37:31,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:37:31,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:37:31,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 05:37:31,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:37:31,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:37:31,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:37:31,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:37:31,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:37:31,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:37:31,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:37:31,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:37:31,738 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:37:31,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:37:31,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:37:31,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:37:31,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:37:31,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:37:31,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:37:31,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:37:31,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 05:37:31,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 05:37:31,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 05:37:31,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:37:31,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:37:31,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:37:31,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:37:31,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:37:31,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:37:31,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:37:31,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:37:31,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:37:31,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:37:31,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:37:31,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 05:37:31,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 05:37:31,743 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:37:31,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:37:31,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:37:31,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:37:31,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 05:37:31,744 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2021-11-20 05:37:32,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:37:32,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:37:32,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:37:32,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:37:32,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:37:32,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2021-11-20 05:37:32,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/d55e6360a/69523b2855f84a0cb01b1a1ce5a3dceb/FLAG28f6be11c [2021-11-20 05:37:32,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:37:32,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2021-11-20 05:37:32,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/d55e6360a/69523b2855f84a0cb01b1a1ce5a3dceb/FLAG28f6be11c [2021-11-20 05:37:33,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/data/d55e6360a/69523b2855f84a0cb01b1a1ce5a3dceb [2021-11-20 05:37:33,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:37:33,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:37:33,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:37:33,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:37:33,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:37:33,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b3f072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33, skipping insertion in model container [2021-11-20 05:37:33,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:37:33,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:37:33,366 WARN L230 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_b448b14c-8949-4c9f-b98f-eb7cf621ed17/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2021-11-20 05:37:33,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:37:33,381 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:37:33,467 WARN L230 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_b448b14c-8949-4c9f-b98f-eb7cf621ed17/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2021-11-20 05:37:33,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:37:33,486 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:37:33,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33 WrapperNode [2021-11-20 05:37:33,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:37:33,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:37:33,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:37:33,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:37:33,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,531 INFO L137 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2021-11-20 05:37:33,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:37:33,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:37:33,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:37:33,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:37:33,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:37:33,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:37:33,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:37:33,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:37:33,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (1/1) ... [2021-11-20 05:37:33,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:37:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:33,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:33,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:37:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:37:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 05:37:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 05:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 05:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 05:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:37:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:37:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 05:37:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:37:33,794 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:37:33,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:37:36,256 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:37:36,264 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:37:36,265 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-20 05:37:36,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:36 BoogieIcfgContainer [2021-11-20 05:37:36,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:37:36,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:37:36,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:37:36,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:37:36,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:37:33" (1/3) ... [2021-11-20 05:37:36,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab86f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:37:36, skipping insertion in model container [2021-11-20 05:37:36,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:33" (2/3) ... [2021-11-20 05:37:36,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab86f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:37:36, skipping insertion in model container [2021-11-20 05:37:36,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:36" (3/3) ... [2021-11-20 05:37:36,281 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2021-11-20 05:37:36,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:37:36,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:37:36,352 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:37:36,359 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:37:36,360 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:37:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 48 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 05:37:36,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:36,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:36,378 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:36,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:36,382 INFO L85 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2021-11-20 05:37:36,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:37:36,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261868169] [2021-11-20 05:37:36,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:36,393 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:37:36,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:37:36,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:37:36,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 05:37:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:36,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 05:37:36,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:37:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:36,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:37:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:36,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:37:36,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261868169] [2021-11-20 05:37:36,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261868169] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:37:36,905 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:37:36,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 05:37:36,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395112005] [2021-11-20 05:37:36,908 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:37:36,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:37:36,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:37:36,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:37:36,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:37:36,994 INFO L87 Difference]: Start difference. First operand has 49 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 48 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:37:37,031 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2021-11-20 05:37:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:37:37,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-20 05:37:37,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:37:37,056 INFO L225 Difference]: With dead ends: 96 [2021-11-20 05:37:37,056 INFO L226 Difference]: Without dead ends: 46 [2021-11-20 05:37:37,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:37:37,073 INFO L933 BasicCegarLoop]: 68 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, 68 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 [2021-11-20 05:37:37,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:37:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-20 05:37:37,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-20 05:37:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 45 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2021-11-20 05:37:37,146 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2021-11-20 05:37:37,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:37:37,147 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2021-11-20 05:37:37,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2021-11-20 05:37:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 05:37:37,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:37,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:37,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:37,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:37:37,375 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:37,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:37,377 INFO L85 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2021-11-20 05:37:37,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:37:37,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016536857] [2021-11-20 05:37:37,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:37,379 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:37:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:37:37,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:37:37,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 05:37:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:37,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 05:37:37,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:37:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:38,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:37:42,809 WARN L838 $PredicateComparison]: unable to prove that (= (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode |c_ULTIMATE.start___ieee754_sqrt_~x#1| |c_ULTIMATE.start___ieee754_sqrt_~x#1|) |c_ULTIMATE.start___ieee754_sqrt_~x#1|) (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) is different from false [2021-11-20 05:37:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:47,841 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:37:47,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016536857] [2021-11-20 05:37:47,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016536857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:37:47,842 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:37:47,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 05:37:47,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405983523] [2021-11-20 05:37:47,842 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:37:47,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:37:47,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:37:47,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:37:47,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2021-11-20 05:37:47,845 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:37:51,454 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2021-11-20 05:37:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:37:51,455 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 05:37:51,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:37:51,456 INFO L225 Difference]: With dead ends: 51 [2021-11-20 05:37:51,456 INFO L226 Difference]: Without dead ends: 46 [2021-11-20 05:37:51,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=44, Invalid=91, Unknown=1, NotChecked=20, Total=156 [2021-11-20 05:37:51,459 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 133 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 64 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:37:51,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 278 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 64 Unchecked, 2.2s Time] [2021-11-20 05:37:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-20 05:37:51,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-20 05:37:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2021-11-20 05:37:51,469 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2021-11-20 05:37:51,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:37:51,469 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2021-11-20 05:37:51,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2021-11-20 05:37:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 05:37:51,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:51,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:51,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-20 05:37:51,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:37:51,674 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:51,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:51,676 INFO L85 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2021-11-20 05:37:51,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:37:51,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717666486] [2021-11-20 05:37:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:51,677 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:37:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:37:51,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:37:51,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 05:37:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:51,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 05:37:51,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:37:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:52,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:37:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:37:54,647 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:37:54,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717666486] [2021-11-20 05:37:54,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717666486] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:37:54,648 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:37:54,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 05:37:54,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379767013] [2021-11-20 05:37:54,649 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:37:54,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:37:54,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:37:54,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:37:54,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2021-11-20 05:37:54,650 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:54,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:37:54,670 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2021-11-20 05:37:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:37:54,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 25 [2021-11-20 05:37:54,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:37:54,671 INFO L225 Difference]: With dead ends: 46 [2021-11-20 05:37:54,671 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 05:37:54,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2021-11-20 05:37:54,673 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:37:54,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 1 Unchecked, 0.0s Time] [2021-11-20 05:37:54,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 05:37:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 05:37:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 05:37:54,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-11-20 05:37:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:37:54,676 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:37:54,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:37:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:37:54,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 05:37:54,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:37:54,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:54,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:37:54,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 05:37:55,118 INFO L861 garLoopResultBuilder]: At program point L151(lines 134 152) the Hoare annotation is: true [2021-11-20 05:37:55,118 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-20 05:37:55,119 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 05:37:55,119 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 05:37:55,119 INFO L854 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_sqrt_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2021-11-20 05:37:55,119 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 96) no Hoare annotation was computed. [2021-11-20 05:37:55,119 INFO L858 garLoopResultBuilder]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2021-11-20 05:37:55,120 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2021-11-20 05:37:55,120 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2021-11-20 05:37:55,120 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-11-20 05:37:55,120 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 66) no Hoare annotation was computed. [2021-11-20 05:37:55,120 INFO L858 garLoopResultBuilder]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2021-11-20 05:37:55,120 INFO L858 garLoopResultBuilder]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2021-11-20 05:37:55,121 INFO L854 garLoopResultBuilder]: At program point L30-2(lines 30 35) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2021-11-20 05:37:55,121 INFO L858 garLoopResultBuilder]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2021-11-20 05:37:55,121 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2021-11-20 05:37:55,121 INFO L854 garLoopResultBuilder]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2021-11-20 05:37:55,121 INFO L858 garLoopResultBuilder]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2021-11-20 05:37:55,121 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 149) no Hoare annotation was computed. [2021-11-20 05:37:55,122 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-11-20 05:37:55,122 INFO L858 garLoopResultBuilder]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2021-11-20 05:37:55,122 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 119) no Hoare annotation was computed. [2021-11-20 05:37:55,122 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-11-20 05:37:55,122 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2021-11-20 05:37:55,123 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-20 05:37:55,123 INFO L854 garLoopResultBuilder]: At program point L131(lines 24 132) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_sqrt_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2021-11-20 05:37:55,123 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 05:37:55,123 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 99) no Hoare annotation was computed. [2021-11-20 05:37:55,124 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2021-11-20 05:37:55,124 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2021-11-20 05:37:55,124 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-20 05:37:55,124 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2021-11-20 05:37:55,124 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 118) no Hoare annotation was computed. [2021-11-20 05:37:55,125 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 46) no Hoare annotation was computed. [2021-11-20 05:37:55,125 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2021-11-20 05:37:55,125 INFO L858 garLoopResultBuilder]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2021-11-20 05:37:55,125 INFO L858 garLoopResultBuilder]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2021-11-20 05:37:55,126 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 05:37:55,126 INFO L854 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2021-11-20 05:37:55,126 INFO L858 garLoopResultBuilder]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2021-11-20 05:37:55,126 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 45) no Hoare annotation was computed. [2021-11-20 05:37:55,126 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-20 05:37:55,127 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-11-20 05:37:55,127 INFO L854 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2021-11-20 05:37:55,127 INFO L858 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2021-11-20 05:37:55,127 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-11-20 05:37:55,127 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-11-20 05:37:55,138 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-20 05:37:55,139 INFO L858 garLoopResultBuilder]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2021-11-20 05:37:55,142 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 05:37:55,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:37:55,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,159 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,161 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,162 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,163 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:37:55 BoogieIcfgContainer [2021-11-20 05:37:55,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:37:55,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:37:55,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:37:55,184 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:37:55,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:36" (3/4) ... [2021-11-20 05:37:55,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 05:37:55,201 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-20 05:37:55,201 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-20 05:37:55,202 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 05:37:55,203 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:37:55,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-11-20 05:37:55,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-11-20 05:37:55,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:37:55,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:37:55,249 INFO L158 Benchmark]: Toolchain (without parser) took 22129.25ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 43.7MB in the beginning and 70.7MB in the end (delta: -26.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,249 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:37:55,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.09ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 44.9MB in the end (delta: -1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.84ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,251 INFO L158 Benchmark]: Boogie Preprocessor took 37.12ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 41.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,251 INFO L158 Benchmark]: RCFGBuilder took 2703.60ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 41.0MB in the beginning and 76.6MB in the end (delta: -35.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,252 INFO L158 Benchmark]: TraceAbstraction took 18905.74ms. Allocated memory is still 96.5MB. Free memory was 76.2MB in the beginning and 75.5MB in the end (delta: 667.4kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,252 INFO L158 Benchmark]: Witness Printer took 64.97ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 70.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:37:55,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.09ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 44.9MB in the end (delta: -1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.84ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.12ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 41.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2703.60ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 41.0MB in the beginning and 76.6MB in the end (delta: -35.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18905.74ms. Allocated memory is still 96.5MB. Free memory was 76.2MB in the beginning and 75.5MB in the end (delta: 667.4kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 64.97ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 70.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 147]: 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 354 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 65 IncrementalHoareTripleChecker+Unchecked, 227 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 127 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 75 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 4 QuantifiedInterpolants, 285 SizeOfPredicates, 16 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant [2021-11-20 05:37:55,266 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 24]: Loop Invariant [2021-11-20 05:37:55,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2021-11-20 05:37:55,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 05:37:55,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((1bv32 == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 05:37:55,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b448b14c-8949-4c9f-b98f-eb7cf621ed17/bin/uautomizer-DQz5hQGWxF/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 Writing output log to file Ultimate.log Result: TRUE