./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:01:48,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:01:48,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:01:48,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:01:48,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:01:48,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:01:48,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:01:48,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:01:48,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:01:48,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:01:48,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:01:48,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:01:48,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:01:48,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:01:48,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:01:48,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:01:48,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:01:48,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:01:48,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:01:48,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:01:48,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:01:48,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:01:48,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:01:48,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:01:48,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:01:48,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:01:48,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:01:48,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:01:48,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:01:48,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:01:48,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:01:48,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:01:48,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:01:48,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:01:48,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:01:48,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:01:48,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:01:48,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:01:48,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:01:48,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:01:48,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:01:49,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:01:49,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:01:49,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:01:49,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:01:49,056 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:01:49,056 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:01:49,056 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:01:49,056 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:01:49,056 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:01:49,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:01:49,057 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:01:49,057 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:01:49,057 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:01:49,058 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:01:49,058 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:01:49,058 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:01:49,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:01:49,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:01:49,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:01:49,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:01:49,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:01:49,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:01:49,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:01:49,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:01:49,061 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:01:49,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:01:49,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:01:49,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:01:49,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:01:49,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:01:49,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:01:49,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:01:49,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:01:49,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:01:49,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:01:49,064 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:01:49,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:01:49,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:01:49,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:01:49,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:01:49,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2021-11-03 05:01:49,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:01:49,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:01:49,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:01:49,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:01:49,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:01:49,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-11-03 05:01:49,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/6707373ed/0745e183fc654746898b25ef17665140/FLAGaa95af123 [2021-11-03 05:01:50,146 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:01:50,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-11-03 05:01:50,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/6707373ed/0745e183fc654746898b25ef17665140/FLAGaa95af123 [2021-11-03 05:01:50,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/6707373ed/0745e183fc654746898b25ef17665140 [2021-11-03 05:01:50,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:01:50,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:01:50,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:01:50,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:01:50,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:01:50,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:50,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f1af36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50, skipping insertion in model container [2021-11-03 05:01:50,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:50,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:01:50,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:01:50,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-11-03 05:01:50,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:01:50,872 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:01:50,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-11-03 05:01:50,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:01:50,937 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:01:50,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50 WrapperNode [2021-11-03 05:01:50,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:01:50,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:01:50,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:01:50,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:01:50,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:50,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:01:51,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:01:51,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:01:51,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:01:51,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:01:51,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:01:51,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:01:51,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:01:51,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (1/1) ... [2021-11-03 05:01:51,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:01:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:01:51,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:01:51,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:01:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:01:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:01:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-03 05:01:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:01:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-03 05:01:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:01:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:01:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:01:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-03 05:01:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:01:52,666 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:01:52,667 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2021-11-03 05:01:52,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:52 BoogieIcfgContainer [2021-11-03 05:01:52,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:01:52,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:01:52,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:01:52,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:01:52,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:01:50" (1/3) ... [2021-11-03 05:01:52,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a960621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:52, skipping insertion in model container [2021-11-03 05:01:52,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:50" (2/3) ... [2021-11-03 05:01:52,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a960621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:52, skipping insertion in model container [2021-11-03 05:01:52,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:52" (3/3) ... [2021-11-03 05:01:52,684 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2021-11-03 05:01:52,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:01:52,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:01:52,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:01:52,781 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=FINITE_AUTOMATA, 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 [2021-11-03 05:01:52,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:01:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 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) [2021-11-03 05:01:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 05:01:52,828 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:01:52,829 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:01:52,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:01:52,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:01:52,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1190668178, now seen corresponding path program 1 times [2021-11-03 05:01:52,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:01:52,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102630851] [2021-11-03 05:01:52,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:01:52,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:01:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:01:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:01:53,151 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:01:53,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102630851] [2021-11-03 05:01:53,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102630851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:01:53,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:01:53,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:01:53,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777464240] [2021-11-03 05:01:53,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:01:53,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:01:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:01:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:01:53,181 INFO L87 Difference]: Start difference. First operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:01:53,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:01:53,210 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2021-11-03 05:01:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:01:53,211 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 05:01:53,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:01:53,222 INFO L225 Difference]: With dead ends: 154 [2021-11-03 05:01:53,222 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 05:01:53,225 INFO L786 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 [2021-11-03 05:01:53,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 05:01:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 05:01:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 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) [2021-11-03 05:01:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-11-03 05:01:53,283 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2021-11-03 05:01:53,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:01:53,284 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-11-03 05:01:53,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:01:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-11-03 05:01:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 05:01:53,285 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:01:53,285 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:01:53,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:01:53,286 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:01:53,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:01:53,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1982364105, now seen corresponding path program 1 times [2021-11-03 05:01:53,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:01:53,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682623826] [2021-11-03 05:01:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:01:53,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:01:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:01:53,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:01:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:01:53,477 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 05:01:53,477 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:01:53,479 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:01:53,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:01:53,485 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-03 05:01:53,488 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:01:53,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:01:53 BoogieIcfgContainer [2021-11-03 05:01:53,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:01:53,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:01:53,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:01:53,532 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:01:53,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:52" (3/4) ... [2021-11-03 05:01:53,536 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 05:01:53,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:01:53,539 INFO L168 Benchmark]: Toolchain (without parser) took 3037.40 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 58.0 MB in the beginning and 81.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:01:53,540 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 74.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:01:53,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.26 ms. Allocated memory is still 94.4 MB. Free memory was 57.9 MB in the beginning and 66.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 05:01:53,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.87 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 63.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:01:53,543 INFO L168 Benchmark]: Boogie Preprocessor took 105.78 ms. Allocated memory is still 94.4 MB. Free memory was 63.4 MB in the beginning and 60.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:01:53,544 INFO L168 Benchmark]: RCFGBuilder took 1494.24 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.3 MB in the beginning and 78.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:01:53,545 INFO L168 Benchmark]: TraceAbstraction took 856.78 ms. Allocated memory is still 123.7 MB. Free memory was 77.6 MB in the beginning and 81.6 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:01:53,545 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 123.7 MB. Free memory is still 81.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:01:53,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 74.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.26 ms. Allocated memory is still 94.4 MB. Free memory was 57.9 MB in the beginning and 66.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.87 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 63.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.78 ms. Allocated memory is still 94.4 MB. Free memory was 63.4 MB in the beginning and 60.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1494.24 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.3 MB in the beginning and 78.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 856.78 ms. Allocated memory is still 123.7 MB. Free memory was 77.6 MB in the beginning and 81.6 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.27 ms. Allocated memory is still 123.7 MB. Free memory is still 81.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L120-L121] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L15] return x != x; [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={11:0}, atanhi_atan={10:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={11:0}, atanhi_atan={10:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={10:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={10:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] return x + y; VAL [aT_atan={11:0}, atanhi_atan={10:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L232] float res = __ieee754_atan2f(y, x); [L15] return x != x; [L235] COND TRUE !isnan_float(res) [L236] reach_error() VAL [aT_atan={11:0}, atanhi_atan={10:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 05:01:53,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:01:56,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:01:56,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:01:56,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:01:56,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:01:56,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:01:56,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:01:56,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:01:56,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:01:56,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:01:56,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:01:56,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:01:56,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:01:56,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:01:56,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:01:56,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:01:56,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:01:56,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:01:56,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:01:56,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:01:56,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:01:56,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:01:56,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:01:56,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:01:56,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:01:56,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:01:56,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:01:56,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:01:56,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:01:56,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:01:56,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:01:56,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:01:56,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:01:56,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:01:56,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:01:56,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:01:56,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:01:56,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:01:56,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:01:56,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:01:56,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:01:56,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 05:01:56,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:01:56,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:01:56,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:01:56,695 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:01:56,696 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:01:56,696 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:01:56,696 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:01:56,697 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:01:56,698 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:01:56,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:01:56,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:01:56,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:01:56,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:01:56,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:01:56,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:01:56,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:01:56,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:01:56,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:01:56,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:01:56,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:01:56,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:01:56,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:01:56,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:01:56,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:01:56,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:01:56,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:01:56,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:01:56,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:01:56,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:01:56,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:01:56,706 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:01:56,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:01:56,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:01:56,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:01:56,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:01:56,707 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_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2021-11-03 05:01:57,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:01:57,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:01:57,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:01:57,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:01:57,205 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:01:57,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-11-03 05:01:57,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/421da8502/8c711607e3e246728aa0c94da9b24f1d/FLAG57f1a6430 [2021-11-03 05:01:57,990 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:01:57,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-11-03 05:01:58,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/421da8502/8c711607e3e246728aa0c94da9b24f1d/FLAG57f1a6430 [2021-11-03 05:01:58,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/data/421da8502/8c711607e3e246728aa0c94da9b24f1d [2021-11-03 05:01:58,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:01:58,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:01:58,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:01:58,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:01:58,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:01:58,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a146a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58, skipping insertion in model container [2021-11-03 05:01:58,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:01:58,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:01:58,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-11-03 05:01:58,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:01:58,641 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:01:58,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-11-03 05:01:58,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:01:58,807 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:01:58,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58 WrapperNode [2021-11-03 05:01:58,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:01:58,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:01:58,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:01:58,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:01:58,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:01:58,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:01:58,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:01:58,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:01:58,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:58,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:59,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:59,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:59,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:59,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:01:59,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:01:59,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:01:59,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:01:59,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (1/1) ... [2021-11-03 05:01:59,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:01:59,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:01:59,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:01:59,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:01:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-03 05:01:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:01:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:01:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-03 05:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:01:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-03 05:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:02:22,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:02:22,433 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2021-11-03 05:02:22,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:02:22 BoogieIcfgContainer [2021-11-03 05:02:22,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:02:22,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:02:22,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:02:22,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:02:22,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:01:58" (1/3) ... [2021-11-03 05:02:22,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a749d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:02:22, skipping insertion in model container [2021-11-03 05:02:22,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:58" (2/3) ... [2021-11-03 05:02:22,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a749d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:02:22, skipping insertion in model container [2021-11-03 05:02:22,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:02:22" (3/3) ... [2021-11-03 05:02:22,446 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2021-11-03 05:02:22,452 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:02:22,453 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:02:22,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:02:22,518 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=FINITE_AUTOMATA, 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 [2021-11-03 05:02:22,519 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:02:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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) [2021-11-03 05:02:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 05:02:22,550 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:02:22,551 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:02:22,552 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:02:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:02:22,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2021-11-03 05:02:22,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:02:22,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112505719] [2021-11-03 05:02:22,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:02:22,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:02:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:02:22,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:02:22,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:02:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:02:23,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:02:23,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:02:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:02:23,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:02:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:02:23,984 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:02:23,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112505719] [2021-11-03 05:02:23,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112505719] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:02:23,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:02:23,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:02:23,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764323301] [2021-11-03 05:02:23,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:02:23,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:02:24,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:02:24,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:02:24,014 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-11-03 05:02:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:02:24,054 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2021-11-03 05:02:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:02:24,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-11-03 05:02:24,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:02:24,068 INFO L225 Difference]: With dead ends: 224 [2021-11-03 05:02:24,068 INFO L226 Difference]: Without dead ends: 111 [2021-11-03 05:02:24,072 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:02:24,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-03 05:02:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-11-03 05:02:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 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) [2021-11-03 05:02:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2021-11-03 05:02:24,123 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2021-11-03 05:02:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:02:24,123 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2021-11-03 05:02:24,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-11-03 05:02:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2021-11-03 05:02:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-03 05:02:24,125 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:02:24,125 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:02:24,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:02:24,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:02:24,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:02:24,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:02:24,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2021-11-03 05:02:24,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:02:24,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51180728] [2021-11-03 05:02:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:02:24,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:02:24,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:02:24,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:02:24,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:02:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:02:25,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 05:02:25,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:02:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:02:27,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:02:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:02:36,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:02:36,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51180728] [2021-11-03 05:02:36,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51180728] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:02:36,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:02:36,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2021-11-03 05:02:36,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318582880] [2021-11-03 05:02:36,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-03 05:02:36,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:02:36,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-03 05:02:36,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-11-03 05:02:36,937 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2021-11-03 05:04:21,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:04:21,405 INFO L93 Difference]: Finished difference Result 236 states and 331 transitions. [2021-11-03 05:04:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 05:04:21,420 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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 16 [2021-11-03 05:04:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:04:21,424 INFO L225 Difference]: With dead ends: 236 [2021-11-03 05:04:21,424 INFO L226 Difference]: Without dead ends: 231 [2021-11-03 05:04:21,426 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2021-11-03 05:04:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-03 05:04:21,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 119. [2021-11-03 05:04:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 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) [2021-11-03 05:04:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-11-03 05:04:21,478 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2021-11-03 05:04:21,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:04:21,479 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-11-03 05:04:21,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2021-11-03 05:04:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-11-03 05:04:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 05:04:21,483 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:04:21,484 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:04:21,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:04:21,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:04:21,706 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:04:21,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:04:21,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2021-11-03 05:04:21,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:04:21,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122505420] [2021-11-03 05:04:21,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:04:21,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:04:21,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:04:21,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:04:21,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:04:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:04:22,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 05:04:22,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:04:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:04:24,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:04:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:04:32,223 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:04:32,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122505420] [2021-11-03 05:04:32,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122505420] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:04:32,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:04:32,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-03 05:04:32,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091579762] [2021-11-03 05:04:32,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 05:04:32,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:04:32,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 05:04:32,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-03 05:04:32,227 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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) [2021-11-03 05:04:37,983 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (= (_ bv1 32) |c_ULTIMATE.start_isnan_float_#res|))) (and (let ((.cse0 (fp.eq c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0))) (or (and (not .cse0) .cse1) (and (= (_ bv0 32) |c_ULTIMATE.start_isnan_float_#res|) .cse0))) (not (fp.eq c_ULTIMATE.start___ieee754_atan2f_~y c_ULTIMATE.start___ieee754_atan2f_~y)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |c_ULTIMATE.start___ieee754_atan2f_#res|))) (not (fp.eq |c_ULTIMATE.start___ieee754_atan2f_#res| |c_ULTIMATE.start___ieee754_atan2f_#res|)) (= |c_ULTIMATE.start_main_#t~ret48| (_ bv1 32)) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse2 (fp.add c_currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x c_ULTIMATE.start_main_~y~0))) (fp.eq .cse2 .cse2)))) (not |c_ULTIMATE.start_main_#t~short46|)) (= c_currentRoundingMode roundNearestTiesToEven) .cse1)) is different from true [2021-11-03 05:06:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:30,242 INFO L93 Difference]: Finished difference Result 237 states and 331 transitions. [2021-11-03 05:06:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 05:06:30,258 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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 17 [2021-11-03 05:06:30,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:30,261 INFO L225 Difference]: With dead ends: 237 [2021-11-03 05:06:30,261 INFO L226 Difference]: Without dead ends: 232 [2021-11-03 05:06:30,262 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=97, Invalid=326, Unknown=1, NotChecked=38, Total=462 [2021-11-03 05:06:30,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-03 05:06:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 124. [2021-11-03 05:06:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 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) [2021-11-03 05:06:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-11-03 05:06:30,278 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2021-11-03 05:06:30,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:30,279 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-11-03 05:06:30,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 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) [2021-11-03 05:06:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-11-03 05:06:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-03 05:06:30,281 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:30,281 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:30,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:30,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:30,498 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:06:30,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:30,499 INFO L85 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2021-11-03 05:06:30,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:30,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366838292] [2021-11-03 05:06:30,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:30,500 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:30,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:30,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:30,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:06:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:31,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 05:06:31,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:32,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:34,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:34,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366838292] [2021-11-03 05:06:34,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366838292] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:34,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:34,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-03 05:06:34,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672135001] [2021-11-03 05:06:34,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 05:06:34,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:34,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 05:06:34,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:06:34,496 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2021-11-03 05:06:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:37,121 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2021-11-03 05:06:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 05:06:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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 21 [2021-11-03 05:06:37,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:37,123 INFO L225 Difference]: With dead ends: 227 [2021-11-03 05:06:37,124 INFO L226 Difference]: Without dead ends: 121 [2021-11-03 05:06:37,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2021-11-03 05:06:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-03 05:06:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2021-11-03 05:06:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 110 states have internal predecessors, (157), 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) [2021-11-03 05:06:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2021-11-03 05:06:37,136 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2021-11-03 05:06:37,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:37,137 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2021-11-03 05:06:37,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2021-11-03 05:06:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-11-03 05:06:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 05:06:37,139 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:37,139 INFO L513 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] [2021-11-03 05:06:37,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:37,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:37,350 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:06:37,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:37,350 INFO L85 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2021-11-03 05:06:37,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:37,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604840941] [2021-11-03 05:06:37,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:37,351 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:37,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:37,352 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:37,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 05:06:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:38,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 05:06:38,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:39,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:40,108 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:40,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604840941] [2021-11-03 05:06:40,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604840941] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:40,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:40,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2021-11-03 05:06:40,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367126279] [2021-11-03 05:06:40,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:06:40,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:06:40,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:06:40,111 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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) [2021-11-03 05:06:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:41,652 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2021-11-03 05:06:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 05:06:41,653 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 22 [2021-11-03 05:06:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:41,653 INFO L225 Difference]: With dead ends: 111 [2021-11-03 05:06:41,653 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 05:06:41,655 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-11-03 05:06:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 05:06:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 05:06:41,655 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) [2021-11-03 05:06:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 05:06:41,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-11-03 05:06:41,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:41,656 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 05:06:41,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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) [2021-11-03 05:06:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 05:06:41,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 05:06:41,660 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:06:41,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:41,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:41,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 05:06:41,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:41,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:42,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:06:44,477 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2021-11-03 05:06:44,477 INFO L853 garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2021-11-03 05:06:44,477 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 72) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2021-11-03 05:06:44,478 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 182) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 99) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 142) no Hoare annotation was computed. [2021-11-03 05:06:44,479 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 78) no Hoare annotation was computed. [2021-11-03 05:06:44,480 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2021-11-03 05:06:44,480 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2021-11-03 05:06:44,480 INFO L857 garLoopResultBuilder]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2021-11-03 05:06:44,480 INFO L860 garLoopResultBuilder]: At program point L241(lines 220 242) the Hoare annotation is: true [2021-11-03 05:06:44,480 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed. [2021-11-03 05:06:44,480 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 155) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2021-11-03 05:06:44,481 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 154) no Hoare annotation was computed. [2021-11-03 05:06:44,482 INFO L857 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2021-11-03 05:06:44,482 INFO L857 garLoopResultBuilder]: For program point L180(line 180) no Hoare annotation was computed. [2021-11-03 05:06:44,482 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-03 05:06:44,482 INFO L857 garLoopResultBuilder]: For program point L147-2(line 147) no Hoare annotation was computed. [2021-11-03 05:06:44,482 INFO L853 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (not .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-03 05:06:44,482 INFO L853 garLoopResultBuilder]: At program point L15-1(line 15) the Hoare annotation is: (let ((.cse3 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse2 (not .cse3)) (.cse1 (not |ULTIMATE.start_main_#t~short46|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and |ULTIMATE.start_main_#t~short46| (not .cse0)) (and .cse0 .cse1))) (or (and .cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse3)) (or .cse2 .cse1) (= currentRoundingMode roundNearestTiesToEven)))) [2021-11-03 05:06:44,483 INFO L853 garLoopResultBuilder]: At program point L15-2(line 15) the Hoare annotation is: (let ((.cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1 .cse2) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 .cse2))) [2021-11-03 05:06:44,483 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-03 05:06:44,483 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 98) no Hoare annotation was computed. [2021-11-03 05:06:44,483 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2021-11-03 05:06:44,483 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-03 05:06:44,483 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-03 05:06:44,483 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-11-03 05:06:44,484 INFO L857 garLoopResultBuilder]: For program point L116-2(line 116) no Hoare annotation was computed. [2021-11-03 05:06:44,484 INFO L853 garLoopResultBuilder]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2021-11-03 05:06:44,484 INFO L857 garLoopResultBuilder]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2021-11-03 05:06:44,484 INFO L857 garLoopResultBuilder]: For program point L116-4(line 116) no Hoare annotation was computed. [2021-11-03 05:06:44,484 INFO L857 garLoopResultBuilder]: For program point L116-6(line 116) no Hoare annotation was computed. [2021-11-03 05:06:44,484 INFO L853 garLoopResultBuilder]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2021-11-03 05:06:44,484 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-11-03 05:06:44,484 INFO L857 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-11-03 05:06:44,485 INFO L853 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-11-03 05:06:44,485 INFO L857 garLoopResultBuilder]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2021-11-03 05:06:44,485 INFO L853 garLoopResultBuilder]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2021-11-03 05:06:44,485 INFO L857 garLoopResultBuilder]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2021-11-03 05:06:44,485 INFO L853 garLoopResultBuilder]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2021-11-03 05:06:44,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 05:06:44,487 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-03 05:06:44,487 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-03 05:06:44,487 INFO L857 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-11-03 05:06:44,488 INFO L853 garLoopResultBuilder]: At program point L123(lines 123 218) the Hoare annotation is: (let ((.cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1 .cse2) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 .cse2))) [2021-11-03 05:06:44,488 INFO L857 garLoopResultBuilder]: For program point L24(lines 24 28) no Hoare annotation was computed. [2021-11-03 05:06:44,488 INFO L857 garLoopResultBuilder]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2021-11-03 05:06:44,488 INFO L857 garLoopResultBuilder]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2021-11-03 05:06:44,489 INFO L857 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2021-11-03 05:06:44,489 INFO L857 garLoopResultBuilder]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2021-11-03 05:06:44,489 INFO L857 garLoopResultBuilder]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2021-11-03 05:06:44,489 INFO L857 garLoopResultBuilder]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2021-11-03 05:06:44,489 INFO L857 garLoopResultBuilder]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2021-11-03 05:06:44,490 INFO L857 garLoopResultBuilder]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2021-11-03 05:06:44,490 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 05:06:44,490 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 195) no Hoare annotation was computed. [2021-11-03 05:06:44,490 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 97) no Hoare annotation was computed. [2021-11-03 05:06:44,491 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2021-11-03 05:06:44,491 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2021-11-03 05:06:44,491 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2021-11-03 05:06:44,491 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-03 05:06:44,491 INFO L857 garLoopResultBuilder]: For program point L158-2(line 158) no Hoare annotation was computed. [2021-11-03 05:06:44,492 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 195) no Hoare annotation was computed. [2021-11-03 05:06:44,492 INFO L857 garLoopResultBuilder]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2021-11-03 05:06:44,492 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2021-11-03 05:06:44,492 INFO L853 garLoopResultBuilder]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2021-11-03 05:06:44,492 INFO L857 garLoopResultBuilder]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2021-11-03 05:06:44,493 INFO L857 garLoopResultBuilder]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2021-11-03 05:06:44,493 INFO L853 garLoopResultBuilder]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2021-11-03 05:06:44,493 INFO L857 garLoopResultBuilder]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2021-11-03 05:06:44,493 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 184) no Hoare annotation was computed. [2021-11-03 05:06:44,493 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2021-11-03 05:06:44,494 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-11-03 05:06:44,494 INFO L853 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse0 .cse1) (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1))) [2021-11-03 05:06:44,494 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 05:06:44,494 INFO L857 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-11-03 05:06:44,495 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 183) no Hoare annotation was computed. [2021-11-03 05:06:44,495 INFO L853 garLoopResultBuilder]: At program point L29(lines 17 30) the Hoare annotation is: false [2021-11-03 05:06:44,495 INFO L853 garLoopResultBuilder]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2021-11-03 05:06:44,495 INFO L853 garLoopResultBuilder]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2021-11-03 05:06:44,495 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 171) no Hoare annotation was computed. [2021-11-03 05:06:44,496 INFO L857 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2021-11-03 05:06:44,496 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 217) no Hoare annotation was computed. [2021-11-03 05:06:44,496 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2021-11-03 05:06:44,496 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-03 05:06:44,496 INFO L857 garLoopResultBuilder]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2021-11-03 05:06:44,497 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-03 05:06:44,497 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 05:06:44,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2021-11-03 05:06:44,497 INFO L857 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-11-03 05:06:44,497 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-11-03 05:06:44,498 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2021-11-03 05:06:44,498 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-03 05:06:44,498 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2021-11-03 05:06:44,498 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 137) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1) (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse3 .cse3))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse0 .cse1))) [2021-11-03 05:06:44,499 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 68) no Hoare annotation was computed. [2021-11-03 05:06:44,499 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2021-11-03 05:06:44,499 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2021-11-03 05:06:44,499 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-03 05:06:44,504 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-03 05:06:44,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:06:44,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,534 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,534 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,550 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,563 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,565 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,566 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,574 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:06:44 BoogieIcfgContainer [2021-11-03 05:06:44,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:06:44,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:06:44,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:06:44,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:06:44,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:02:22" (3/4) ... [2021-11-03 05:06:44,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 05:06:44,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-03 05:06:44,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-03 05:06:44,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 05:06:44,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 05:06:44,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (!~fp.eq~FLOAT(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-03 05:06:44,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) && ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) || (0bv32 == \result && ~fp.eq~FLOAT(y, y)))) && (!~fp.eq~FLOAT(y, y) || !aux-isnan_float(x) || isnan_float(y)-aux)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-03 05:06:44,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-11-03 05:06:44,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]))) && !~fp.eq~FLOAT(x, x)) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-11-03 05:06:44,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-11-03 05:06:44,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-11-03 05:06:44,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 05:06:44,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:06:44,747 INFO L168 Benchmark]: Toolchain (without parser) took 286438.80 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.4 MB in the beginning and 25.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,748 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:06:44,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.40 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.2 MB in the beginning and 51.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.54 ms. Allocated memory is still 71.3 MB. Free memory was 51.1 MB in the beginning and 47.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,750 INFO L168 Benchmark]: Boogie Preprocessor took 163.35 ms. Allocated memory is still 71.3 MB. Free memory was 47.6 MB in the beginning and 44.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,751 INFO L168 Benchmark]: RCFGBuilder took 23381.75 ms. Allocated memory is still 71.3 MB. Free memory was 44.0 MB in the beginning and 49.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,751 INFO L168 Benchmark]: TraceAbstraction took 262137.19 ms. Allocated memory is still 71.3 MB. Free memory was 49.2 MB in the beginning and 32.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,751 INFO L168 Benchmark]: Witness Printer took 169.91 ms. Allocated memory is still 71.3 MB. Free memory was 32.9 MB in the beginning and 25.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:44,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 499.40 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.2 MB in the beginning and 51.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.54 ms. Allocated memory is still 71.3 MB. Free memory was 51.1 MB in the beginning and 47.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.35 ms. Allocated memory is still 71.3 MB. Free memory was 47.6 MB in the beginning and 44.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23381.75 ms. Allocated memory is still 71.3 MB. Free memory was 44.0 MB in the beginning and 49.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 262137.19 ms. Allocated memory is still 71.3 MB. Free memory was 49.2 MB in the beginning and 32.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * Witness Printer took 169.91 ms. Allocated memory is still 71.3 MB. Free memory was 32.9 MB in the beginning and 25.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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: 236]: 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, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 261.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 226.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 666 SDtfs, 2373 SDslu, 3573 SDs, 0 SdLazy, 1061 SolverSat, 51 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 210.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 1 IntricatePredicates, 3 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 251 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 18 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 25.8s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 1076 SizeOfPredicates, 53 NumberOfNonLiveVariables, 618 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-11-03 05:06:44,770 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,771 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (!~fp.eq~FLOAT(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant [2021-11-03 05:06:44,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-11-03 05:06:44,778 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,778 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,779 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,779 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 133]: Loop Invariant [2021-11-03 05:06:44,781 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,783 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,786 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 05:06:44,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]))) && !~fp.eq~FLOAT(x, x)) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant [2021-11-03 05:06:44,800 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,800 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,801 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,801 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2021-11-03 05:06:44,802 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 05:06:44,802 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) && ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) || (0bv32 == \result && ~fp.eq~FLOAT(y, y)))) && (!~fp.eq~FLOAT(y, y) || !aux-isnan_float(x) || isnan_float(y)-aux)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 05:06:45,021 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-03 05:06:45,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d230e462-b1f7-462c-9498-a3ee382c51bc/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE