./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW --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 dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:51:17,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:51:17,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:51:17,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:51:17,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:51:17,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:51:17,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:51:17,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:51:17,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:51:17,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:51:17,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:51:17,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:51:17,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:51:17,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:51:17,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:51:17,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:51:17,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:51:17,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:51:17,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:51:17,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:51:17,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:51:17,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:51:17,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:51:17,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:51:17,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:51:17,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:51:17,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:51:17,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:51:17,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:51:17,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:51:17,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:51:17,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:51:17,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:51:17,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:51:17,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:51:17,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:51:17,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:51:17,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:51:17,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:51:17,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:51:17,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:51:17,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:51:17,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:51:17,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:51:17,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:51:17,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:51:17,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:51:17,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:51:17,270 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:51:17,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:51:17,271 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:51:17,271 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:51:17,272 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:51:17,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:51:17,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:51:17,273 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:51:17,274 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:51:17,274 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:51:17,274 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:51:17,274 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:51:17,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:51:17,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:51:17,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:51:17,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:51:17,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:51:17,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:51:17,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:51:17,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:51:17,278 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:51:17,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:51:17,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:51:17,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:51:17,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:51:17,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:51:17,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:51:17,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:51:17,280 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:51:17,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:51:17,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:51:17,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:51:17,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:51:17,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:51:17,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:51:17,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 [2022-11-23 13:51:17,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:51:17,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:51:17,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:51:17,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:51:17,643 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:51:17,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-23 13:51:20,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:51:20,986 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:51:20,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-23 13:51:21,002 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data/27155811e/3f17c98315404ec98006844360cefbe8/FLAG586d18907 [2022-11-23 13:51:21,019 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data/27155811e/3f17c98315404ec98006844360cefbe8 [2022-11-23 13:51:21,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:51:21,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:51:21,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:51:21,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:51:21,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:51:21,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706df557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21, skipping insertion in model container [2022-11-23 13:51:21,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:51:21,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:51:21,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-23 13:51:21,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:51:21,372 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:51:21,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-23 13:51:21,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:51:21,462 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:51:21,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21 WrapperNode [2022-11-23 13:51:21,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:51:21,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:51:21,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:51:21,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:51:21,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,522 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2022-11-23 13:51:21,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:51:21,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:51:21,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:51:21,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:51:21,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:51:21,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:51:21,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:51:21,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:51:21,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (1/1) ... [2022-11-23 13:51:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:51:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:21,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:51:21,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:51:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-23 13:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-23 13:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:51:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-11-23 13:51:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-11-23 13:51:21,780 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:51:21,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:51:22,271 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:51:22,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:51:22,394 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 13:51:22,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:22 BoogieIcfgContainer [2022-11-23 13:51:22,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:51:22,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:51:22,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:51:22,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:51:22,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:21" (1/3) ... [2022-11-23 13:51:22,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22db3ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:22, skipping insertion in model container [2022-11-23 13:51:22,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:21" (2/3) ... [2022-11-23 13:51:22,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22db3ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:22, skipping insertion in model container [2022-11-23 13:51:22,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:22" (3/3) ... [2022-11-23 13:51:22,406 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2022-11-23 13:51:22,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:51:22,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:51:22,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:51:22,489 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@262f1031, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:51:22,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:51:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 37 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:51:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 13:51:22,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:22,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:22,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:22,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:22,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1199271307, now seen corresponding path program 1 times [2022-11-23 13:51:22,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:22,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445867197] [2022-11-23 13:51:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:22,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:22,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:22,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445867197] [2022-11-23 13:51:22,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445867197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:22,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:22,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:51:22,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543751515] [2022-11-23 13:51:22,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:22,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:51:22,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:22,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:51:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:51:22,770 INFO L87 Difference]: Start difference. First operand has 41 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 37 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:22,825 INFO L93 Difference]: Finished difference Result 80 states and 125 transitions. [2022-11-23 13:51:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:51:22,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 13:51:22,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:22,836 INFO L225 Difference]: With dead ends: 80 [2022-11-23 13:51:22,836 INFO L226 Difference]: Without dead ends: 38 [2022-11-23 13:51:22,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:51:22,843 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:22,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:51:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-23 13:51:22,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-23 13:51:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:51:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2022-11-23 13:51:22,885 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 8 [2022-11-23 13:51:22,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:22,885 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2022-11-23 13:51:22,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-11-23 13:51:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 13:51:22,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:22,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:22,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:51:22,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:22,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:22,888 INFO L85 PathProgramCache]: Analyzing trace with hash -760458861, now seen corresponding path program 1 times [2022-11-23 13:51:22,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:22,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355753613] [2022-11-23 13:51:22,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 13:51:22,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 13:51:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 13:51:23,037 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 13:51:23,037 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 13:51:23,039 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 13:51:23,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:51:23,044 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 13:51:23,060 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:51:23,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:51:23 BoogieIcfgContainer [2022-11-23 13:51:23,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:51:23,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:51:23,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:51:23,093 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:51:23,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:22" (3/4) ... [2022-11-23 13:51:23,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 13:51:23,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:51:23,101 INFO L158 Benchmark]: Toolchain (without parser) took 2077.38ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 117.5MB in the end (delta: 6.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-23 13:51:23,102 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:51:23,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.46ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 109.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 13:51:23,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.84ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:51:23,104 INFO L158 Benchmark]: Boogie Preprocessor took 53.70ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 106.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:51:23,104 INFO L158 Benchmark]: RCFGBuilder took 819.37ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 79.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 13:51:23,105 INFO L158 Benchmark]: TraceAbstraction took 691.77ms. Allocated memory is still 155.2MB. Free memory was 79.0MB in the beginning and 117.5MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:51:23,105 INFO L158 Benchmark]: Witness Printer took 8.40ms. Allocated memory is still 155.2MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:51:23,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.46ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 109.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.84ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.70ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 106.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 819.37ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 79.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 691.77ms. Allocated memory is still 155.2MB. Free memory was 79.0MB in the beginning and 117.5MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.40ms. Allocated memory is still 155.2MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 179]: 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 89, overapproximation of bitwiseAnd at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 108. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L171] float x = __VERIFIER_nondet_float(); [L173] COND TRUE x < -1.0f || x > 1.0f [L175] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, unknown-#in~x-unknown=5360320520, x=5360320520] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, unknown-#in~x-unknown=5360320520, x=5360320520] [L104] COND TRUE ix == 0x3f800000 [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [\result=0, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, unknown-#in~x-unknown=5360320520, x=5360320520] [L175] RET, EXPR __ieee754_acosf(x) [L175] float res = __ieee754_acosf(x); [L178] CALL, EXPR isnan_float(res) [L15] return x != x; [L178] RET, EXPR isnan_float(res) [L178] COND TRUE !isnan_float(res) [L179] reach_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=5360320520] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 42 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 13:51:23,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW --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 dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:51:25,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:51:25,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:51:25,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:51:25,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:51:25,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:51:25,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:51:25,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:51:25,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:51:25,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:51:25,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:51:25,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:51:25,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:51:25,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:51:25,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:51:25,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:51:25,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:51:25,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:51:25,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:51:25,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:51:25,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:51:25,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:51:25,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:51:25,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:51:25,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:51:25,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:51:25,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:51:25,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:51:25,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:51:25,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:51:25,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:51:25,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:51:25,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:51:25,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:51:25,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:51:25,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:51:25,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:51:25,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:51:25,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:51:25,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:51:25,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:51:25,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-23 13:51:25,816 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:51:25,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:51:25,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:51:25,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:51:25,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:51:25,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:51:25,820 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:51:25,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:51:25,821 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:51:25,821 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:51:25,822 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:51:25,823 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:51:25,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:51:25,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:51:25,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:51:25,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:51:25,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:51:25,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:51:25,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:51:25,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 13:51:25,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 13:51:25,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 13:51:25,826 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:51:25,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:51:25,827 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:51:25,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:51:25,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:51:25,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 13:51:25,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:51:25,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:51:25,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:51:25,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:51:25,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:51:25,830 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 13:51:25,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 13:51:25,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:51:25,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:51:25,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 13:51:25,832 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_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 [2022-11-23 13:51:26,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:51:26,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:51:26,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:51:26,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:51:26,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:51:26,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-23 13:51:29,398 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:51:29,683 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:51:29,683 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-23 13:51:29,699 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data/a1922610c/345752597a55472ca75f48917fd09746/FLAGafeadf9b0 [2022-11-23 13:51:29,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/data/a1922610c/345752597a55472ca75f48917fd09746 [2022-11-23 13:51:29,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:51:29,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:51:29,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:51:29,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:51:29,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:51:29,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:29" (1/1) ... [2022-11-23 13:51:29,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220d8030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:29, skipping insertion in model container [2022-11-23 13:51:29,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:29" (1/1) ... [2022-11-23 13:51:29,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:51:29,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:51:29,966 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-23 13:51:29,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:51:30,017 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:51:30,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-23 13:51:30,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:51:30,120 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:51:30,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30 WrapperNode [2022-11-23 13:51:30,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:51:30,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:51:30,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:51:30,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:51:30,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,201 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2022-11-23 13:51:30,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:51:30,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:51:30,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:51:30,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:51:30,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,265 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:51:30,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:51:30,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:51:30,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:51:30,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (1/1) ... [2022-11-23 13:51:30,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:51:30,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:30,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:51:30,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:51:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:51:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 13:51:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:51:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-23 13:51:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 13:51:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:51:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:51:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-23 13:51:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 13:51:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:51:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-11-23 13:51:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-11-23 13:51:30,518 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:51:30,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:51:42,161 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:51:42,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:51:42,167 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 13:51:42,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:42 BoogieIcfgContainer [2022-11-23 13:51:42,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:51:42,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:51:42,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:51:42,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:51:42,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:29" (1/3) ... [2022-11-23 13:51:42,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546355c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:42, skipping insertion in model container [2022-11-23 13:51:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:30" (2/3) ... [2022-11-23 13:51:42,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546355c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:42, skipping insertion in model container [2022-11-23 13:51:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:42" (3/3) ... [2022-11-23 13:51:42,188 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2022-11-23 13:51:42,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:51:42,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:51:42,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:51:42,254 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c3c5427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:51:42,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:51:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 51 states have (on average 1.6274509803921569) internal successors, (83), 52 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:51:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 13:51:42,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:42,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:42,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:42,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash 824856554, now seen corresponding path program 1 times [2022-11-23 13:51:42,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:51:42,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597160423] [2022-11-23 13:51:42,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:42,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:51:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:51:42,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:51:42,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 13:51:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:43,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 13:51:43,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:43,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:43,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:51:43,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597160423] [2022-11-23 13:51:43,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597160423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:43,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:43,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:51:43,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694899421] [2022-11-23 13:51:43,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:43,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:51:43,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:51:43,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:51:43,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:51:43,175 INFO L87 Difference]: Start difference. First operand has 56 states, 51 states have (on average 1.6274509803921569) internal successors, (83), 52 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:43,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:43,217 INFO L93 Difference]: Finished difference Result 109 states and 172 transitions. [2022-11-23 13:51:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:51:43,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 13:51:43,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:43,226 INFO L225 Difference]: With dead ends: 109 [2022-11-23 13:51:43,226 INFO L226 Difference]: Without dead ends: 52 [2022-11-23 13:51:43,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:51:43,233 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:43,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:51:43,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-23 13:51:43,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-23 13:51:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:51:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2022-11-23 13:51:43,289 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 11 [2022-11-23 13:51:43,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:43,290 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2022-11-23 13:51:43,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-23 13:51:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:51:43,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:43,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:43,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-23 13:51:43,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:51:43,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:43,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash 940547922, now seen corresponding path program 1 times [2022-11-23 13:51:43,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:51:43,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027383986] [2022-11-23 13:51:43,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:43,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:51:43,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:51:43,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:51:43,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 13:51:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:44,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 13:51:44,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:46,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:46,830 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:51:46,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027383986] [2022-11-23 13:51:46,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027383986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:46,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:46,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:51:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932633080] [2022-11-23 13:51:46,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:46,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:51:46,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:51:46,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:51:46,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:51:46,834 INFO L87 Difference]: Start difference. First operand 52 states and 69 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:47,945 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2022-11-23 13:51:47,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:51:47,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-11-23 13:51:47,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:47,992 INFO L225 Difference]: With dead ends: 57 [2022-11-23 13:51:47,993 INFO L226 Difference]: Without dead ends: 13 [2022-11-23 13:51:47,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:51:47,995 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 22 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:47,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 15 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:51:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-23 13:51:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-23 13:51:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2022-11-23 13:51:48,000 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2022-11-23 13:51:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:48,001 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2022-11-23 13:51:48,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:51:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2022-11-23 13:51:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:51:48,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:48,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:48,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 13:51:48,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:51:48,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:51:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1147416626, now seen corresponding path program 1 times [2022-11-23 13:51:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:51:48,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360790423] [2022-11-23 13:51:48,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:48,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:51:48,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:51:48,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:51:48,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 13:51:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:49,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 13:51:49,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:51:53,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:53,348 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:51:53,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360790423] [2022-11-23 13:51:53,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360790423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:53,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:53,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:51:53,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751033369] [2022-11-23 13:51:53,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:53,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:51:53,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:51:53,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:51:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:51:53,351 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:52:04,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:52:04,618 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-11-23 13:52:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:52:04,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-11-23 13:52:04,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:52:04,619 INFO L225 Difference]: With dead ends: 13 [2022-11-23 13:52:04,619 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:52:04,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:52:04,620 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:52:04,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 13:52:04,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:52:04,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:52:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:52:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:52:04,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-11-23 13:52:04,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:52:04,623 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:52:04,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:52:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:52:04,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:52:04,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 13:52:04,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 13:52:04,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:52:04,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:52:13,511 INFO L902 garLoopResultBuilder]: At program point L184(lines 164 185) the Hoare annotation is: true [2022-11-23 13:52:13,512 INFO L895 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt |ULTIMATE.start___ieee754_acosf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_acosf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|ULTIMATE.start___ieee754_acosf_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_acosf_~x#1| |ULTIMATE.start___ieee754_acosf_~x#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res#1|)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) ((_ to_fp 8 24) currentRoundingMode 1.0))))) (let ((.cse1 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt .cse1 ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt .cse1 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))))) [2022-11-23 13:52:13,512 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-23 13:52:13,512 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-23 13:52:13,513 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2022-11-23 13:52:13,513 INFO L895 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt |ULTIMATE.start___ieee754_acosf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_acosf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-23 13:52:13,513 INFO L895 garLoopResultBuilder]: At program point L160(lines 95 162) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt |ULTIMATE.start___ieee754_acosf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_acosf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|ULTIMATE.start___ieee754_acosf_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_acosf_~x#1| |ULTIMATE.start___ieee754_acosf_~x#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res#1|)) (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) ((_ to_fp 8 24) currentRoundingMode 1.0))))) (let ((.cse1 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt .cse1 ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt .cse1 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))))) [2022-11-23 13:52:13,513 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 13:52:13,514 INFO L899 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2022-11-23 13:52:13,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:52:13,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 13:52:13,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2022-11-23 13:52:13,514 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 182) no Hoare annotation was computed. [2022-11-23 13:52:13,514 INFO L899 garLoopResultBuilder]: For program point L173-2(lines 173 182) no Hoare annotation was computed. [2022-11-23 13:52:13,515 INFO L895 garLoopResultBuilder]: At program point L132(line 132) the Hoare annotation is: false [2022-11-23 13:52:13,515 INFO L899 garLoopResultBuilder]: For program point L132-1(line 132) no Hoare annotation was computed. [2022-11-23 13:52:13,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:52:13,515 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 161) no Hoare annotation was computed. [2022-11-23 13:52:13,516 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 181) no Hoare annotation was computed. [2022-11-23 13:52:13,516 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 161) no Hoare annotation was computed. [2022-11-23 13:52:13,516 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2022-11-23 13:52:13,516 INFO L895 garLoopResultBuilder]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2022-11-23 13:52:13,517 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 111) no Hoare annotation was computed. [2022-11-23 13:52:13,517 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-23 13:52:13,517 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2022-11-23 13:52:13,517 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2022-11-23 13:52:13,518 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 136 161) the Hoare annotation is: false [2022-11-23 13:52:13,518 INFO L899 garLoopResultBuilder]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2022-11-23 13:52:13,518 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 111) no Hoare annotation was computed. [2022-11-23 13:52:13,518 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2022-11-23 13:52:13,519 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2022-11-23 13:52:13,519 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2022-11-23 13:52:13,519 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2022-11-23 13:52:13,519 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-23 13:52:13,520 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2022-11-23 13:52:13,520 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2022-11-23 13:52:13,520 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2022-11-23 13:52:13,520 INFO L902 garLoopResultBuilder]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2022-11-23 13:52:13,521 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2022-11-23 13:52:13,521 INFO L902 garLoopResultBuilder]: At program point __ieee754_sqrtfENTRY(lines 19 84) the Hoare annotation is: true [2022-11-23 13:52:13,521 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-11-23 13:52:13,521 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2022-11-23 13:52:13,522 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2022-11-23 13:52:13,522 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 19 84) no Hoare annotation was computed. [2022-11-23 13:52:13,522 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2022-11-23 13:52:13,522 INFO L902 garLoopResultBuilder]: At program point L41-3(lines 41 42) the Hoare annotation is: true [2022-11-23 13:52:13,522 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 73) no Hoare annotation was computed. [2022-11-23 13:52:13,523 INFO L899 garLoopResultBuilder]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2022-11-23 13:52:13,523 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2022-11-23 13:52:13,532 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 19 84) no Hoare annotation was computed. [2022-11-23 13:52:13,533 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2022-11-23 13:52:13,533 INFO L902 garLoopResultBuilder]: At program point L55-2(lines 55 64) the Hoare annotation is: true [2022-11-23 13:52:13,533 INFO L899 garLoopResultBuilder]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2022-11-23 13:52:13,533 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2022-11-23 13:52:13,534 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2022-11-23 13:52:13,534 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 74) no Hoare annotation was computed. [2022-11-23 13:52:13,537 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 13:52:13,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:52:13,549 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,549 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,552 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,553 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,553 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,553 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,553 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,554 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,556 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,556 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,560 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,560 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,560 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,560 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,561 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,563 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,563 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,564 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,564 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,565 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,566 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,566 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,566 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,570 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,570 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,570 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,571 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,572 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,572 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,572 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,572 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,572 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,573 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,573 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:52:13 BoogieIcfgContainer [2022-11-23 13:52:13,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:52:13,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:52:13,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:52:13,575 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:52:13,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:42" (3/4) ... [2022-11-23 13:52:13,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:52:13,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2022-11-23 13:52:13,603 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-23 13:52:13,604 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 13:52:13,604 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 13:52:13,605 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:52:13,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-23 13:52:13,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1)) == \result)) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1#1) == ix && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1#1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1#1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1#1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) [2022-11-23 13:52:13,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1)) == \result)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1#1) == ix && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1#1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1#1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1#1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) [2022-11-23 13:52:13,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:52:13,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:52:13,690 INFO L158 Benchmark]: Toolchain (without parser) took 43971.52ms. Allocated memory is still 96.5MB. Free memory was 75.5MB in the beginning and 49.4MB in the end (delta: 26.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,691 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:52:13,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.40ms. Allocated memory is still 96.5MB. Free memory was 75.3MB in the beginning and 61.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.39ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,691 INFO L158 Benchmark]: Boogie Preprocessor took 84.33ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 56.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,692 INFO L158 Benchmark]: RCFGBuilder took 11882.13ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 64.5MB in the end (delta: -8.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,692 INFO L158 Benchmark]: TraceAbstraction took 31392.94ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 53.6MB in the end (delta: 10.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,692 INFO L158 Benchmark]: Witness Printer took 114.91ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 49.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:52:13,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.40ms. Allocated memory is still 96.5MB. Free memory was 75.3MB in the beginning and 61.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.39ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.33ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 56.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11882.13ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 64.5MB in the end (delta: -8.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31392.94ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 53.6MB in the end (delta: 10.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 114.91ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 49.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 179]: 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 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 88 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 28 PreInvPairs, 32 NumberOfFragments, 183 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 5 QuantifiedInterpolants, 143 SizeOfPredicates, 14 NumberOfNonLiveVariables, 165 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2022-11-23 13:52:13,715 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,715 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,715 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,715 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,716 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,717 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,717 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,717 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,717 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,717 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,718 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,718 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1)) == \result)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1#1) == ix && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1#1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1#1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1#1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) - InvariantResult [Line: 98]: Loop Invariant [2022-11-23 13:52:13,721 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,725 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,732 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,733 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,734 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,734 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant [2022-11-23 13:52:13,737 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,738 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,738 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,738 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,738 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,738 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,738 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,739 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,739 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,740 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,741 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,741 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,741 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,742 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,742 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,742 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,742 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,742 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,743 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,743 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,743 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:52:13,743 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,743 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-23 13:52:13,743 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1#1,QUANTIFIED] [2022-11-23 13:52:13,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:52:13,745 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1)) == \result)) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1#1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1#1) == ix && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1#1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1#1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1#1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 13:52:13,964 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 13:52:13,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4d2817-5384-43f0-a343-e98899d234c7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE