./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P --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 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:03:25,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:03:25,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:03:25,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:03:25,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:03:25,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:03:25,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:03:25,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:03:25,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:03:25,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:03:25,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:03:25,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:03:25,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:03:25,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:03:25,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:03:25,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:03:25,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:03:25,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:03:25,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:03:25,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:03:25,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:03:25,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:03:25,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:03:25,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:03:25,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:03:25,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:03:25,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:03:25,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:03:25,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:03:25,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:03:25,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:03:25,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:03:25,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:03:25,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:03:25,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:03:25,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:03:25,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:03:25,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:03:25,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:03:25,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:03:25,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:03:25,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:03:25,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:03:25,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:03:25,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:03:25,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:03:25,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:03:25,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:03:25,309 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:03:25,309 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:03:25,309 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:03:25,309 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:03:25,309 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:03:25,310 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:03:25,310 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:03:25,310 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:03:25,310 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:03:25,311 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:03:25,311 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:03:25,311 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:03:25,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:03:25,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:03:25,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:03:25,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:03:25,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:03:25,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:03:25,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:03:25,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:03:25,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:03:25,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:03:25,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:03:25,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:03:25,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:03:25,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:03:25,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:25,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:03:25,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:03:25,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:03:25,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:03:25,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:03:25,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:03:25,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:03:25,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:03:25,317 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 [2021-11-21 01:03:25,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:03:25,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:03:25,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:03:25,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:03:25,678 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:03:25,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2021-11-21 01:03:25,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/a474aaf68/a98cf214afed4f68b5f790965c42ea36/FLAG5f181393d [2021-11-21 01:03:26,288 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:03:26,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2021-11-21 01:03:26,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/a474aaf68/a98cf214afed4f68b5f790965c42ea36/FLAG5f181393d [2021-11-21 01:03:26,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/a474aaf68/a98cf214afed4f68b5f790965c42ea36 [2021-11-21 01:03:26,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:03:26,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:03:26,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:26,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:03:26,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:03:26,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:26" (1/1) ... [2021-11-21 01:03:26,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a546b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:26, skipping insertion in model container [2021-11-21 01:03:26,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:26" (1/1) ... [2021-11-21 01:03:26,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:03:26,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:03:26,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2021-11-21 01:03:26,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:03:26,964 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:03:27,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2021-11-21 01:03:27,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:03:27,037 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:03:27,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27 WrapperNode [2021-11-21 01:03:27,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:27,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:03:27,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:03:27,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:03:27,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,097 INFO L137 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2021-11-21 01:03:27,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:03:27,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:03:27,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:03:27,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:03:27,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:03:27,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:03:27,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:03:27,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:03:27,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (1/1) ... [2021-11-21 01:03:27,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:27,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:27,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:03:27,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:03:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:03:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:03:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:03:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-21 01:03:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:03:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-21 01:03:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-21 01:03:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-21 01:03:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:03:27,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:03:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:03:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-21 01:03:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-11-21 01:03:27,302 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-11-21 01:03:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:03:27,403 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:03:27,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:03:27,917 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:03:27,994 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:03:27,995 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-21 01:03:27,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:27 BoogieIcfgContainer [2021-11-21 01:03:27,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:03:28,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:03:28,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:03:28,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:03:28,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:03:26" (1/3) ... [2021-11-21 01:03:28,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bda0530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:28, skipping insertion in model container [2021-11-21 01:03:28,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27" (2/3) ... [2021-11-21 01:03:28,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bda0530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:28, skipping insertion in model container [2021-11-21 01:03:28,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:27" (3/3) ... [2021-11-21 01:03:28,007 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2021-11-21 01:03:28,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:03:28,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:03:28,065 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:03:28,073 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:03:28,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:03:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 62 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:03:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 01:03:28,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:28,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:28,100 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:03:28,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:28,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1923224870, now seen corresponding path program 1 times [2021-11-21 01:03:28,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:28,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523249207] [2021-11-21 01:03:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:28,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:03:28,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:28,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523249207] [2021-11-21 01:03:28,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523249207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:28,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:28,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:03:28,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559437030] [2021-11-21 01:03:28,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:28,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:03:28,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:28,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:03:28,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:03:28,390 INFO L87 Difference]: Start difference. First operand has 69 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 62 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:03:28,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:28,490 INFO L93 Difference]: Finished difference Result 136 states and 225 transitions. [2021-11-21 01:03:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:03:28,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-21 01:03:28,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:28,510 INFO L225 Difference]: With dead ends: 136 [2021-11-21 01:03:28,511 INFO L226 Difference]: Without dead ends: 66 [2021-11-21 01:03:28,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:03:28,521 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:28,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:03:28,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-21 01:03:28,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-21 01:03:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:03:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-11-21 01:03:28,591 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 10 [2021-11-21 01:03:28,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:28,592 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-11-21 01:03:28,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:03:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-21 01:03:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 01:03:28,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:28,596 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:28,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:03:28,597 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:03:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:28,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1412060079, now seen corresponding path program 1 times [2021-11-21 01:03:28,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:28,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970676557] [2021-11-21 01:03:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:28,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:03:28,731 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:03:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:03:28,869 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:03:28,872 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:03:28,875 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:03:28,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:03:28,883 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-21 01:03:28,887 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:03:28,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:03:28 BoogieIcfgContainer [2021-11-21 01:03:28,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:03:28,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:03:28,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:03:28,963 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:03:28,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:27" (3/4) ... [2021-11-21 01:03:28,967 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:03:28,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:03:28,970 INFO L158 Benchmark]: Toolchain (without parser) took 2367.17ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 64.5MB in the beginning and 83.3MB in the end (delta: -18.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-21 01:03:28,973 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:03:28,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.07ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 77.0MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:03:28,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.05ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:03:28,982 INFO L158 Benchmark]: Boogie Preprocessor took 80.88ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 72.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:03:28,983 INFO L158 Benchmark]: RCFGBuilder took 818.09ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 48.3MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-21 01:03:28,985 INFO L158 Benchmark]: TraceAbstraction took 960.96ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.0MB in the beginning and 84.1MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:03:28,985 INFO L158 Benchmark]: Witness Printer took 6.73ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 83.3MB in the end (delta: 790.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:03:28,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.07ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 77.0MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.05ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.88ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 72.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 818.09ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 48.3MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 960.96ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.0MB in the beginning and 84.1MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.73ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 83.3MB in the end (delta: 790.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: 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 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L227] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-1, hy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-1, hy=0, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 84 mSDtfsCounter, 13 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=69occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-21 01:03:29,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P --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 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:03:31,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:03:31,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:03:31,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:03:31,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:03:31,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:03:31,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:03:31,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:03:31,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:03:31,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:03:31,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:03:31,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:03:31,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:03:31,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:03:31,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:03:31,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:03:31,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:03:31,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:03:31,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:03:31,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:03:31,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:03:31,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:03:31,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:03:31,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:03:31,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:03:31,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:03:31,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:03:31,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:03:31,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:03:31,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:03:31,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:03:31,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:03:31,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:03:31,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:03:31,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:03:31,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:03:31,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:03:31,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:03:31,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:03:31,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:03:31,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:03:31,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 01:03:31,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:03:31,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:03:31,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:03:31,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:03:31,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:03:31,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:03:31,905 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:03:31,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:03:31,906 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:03:31,906 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:03:31,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:03:31,906 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:03:31,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:03:31,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:03:31,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:03:31,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:03:31,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:03:31,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:03:31,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:03:31,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:03:31,909 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:03:31,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:03:31,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:03:31,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:03:31,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:03:31,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:03:31,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:03:31,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:03:31,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:31,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:03:31,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:03:31,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:03:31,912 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:03:31,913 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:03:31,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:03:31,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:03:31,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:03:31,914 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_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 [2021-11-21 01:03:32,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:03:32,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:03:32,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:03:32,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:03:32,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:03:32,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2021-11-21 01:03:32,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/5a5b92a26/275d762ad2c74bb99aff5abdad122172/FLAGedff152cd [2021-11-21 01:03:33,165 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:03:33,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2021-11-21 01:03:33,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/5a5b92a26/275d762ad2c74bb99aff5abdad122172/FLAGedff152cd [2021-11-21 01:03:33,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/data/5a5b92a26/275d762ad2c74bb99aff5abdad122172 [2021-11-21 01:03:33,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:03:33,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:03:33,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:33,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:03:33,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:03:33,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:33,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246a6941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33, skipping insertion in model container [2021-11-21 01:03:33,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:33,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:03:33,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:03:33,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2021-11-21 01:03:33,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:03:33,805 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:03:33,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2021-11-21 01:03:33,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:03:33,978 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:03:33,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33 WrapperNode [2021-11-21 01:03:33,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:33,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:03:33,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:03:33,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:03:33,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,053 INFO L137 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2021-11-21 01:03:34,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:03:34,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:03:34,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:03:34,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:03:34,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:03:34,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:03:34,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:03:34,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:03:34,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (1/1) ... [2021-11-21 01:03:34,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:34,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:03:34,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:03:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:03:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-21 01:03:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 01:03:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:03:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-21 01:03:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-21 01:03:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-21 01:03:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 01:03:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:03:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:03:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-21 01:03:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-11-21 01:03:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-11-21 01:03:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 01:03:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:03:34,387 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:03:34,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:03:47,621 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:03:47,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:03:47,633 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-21 01:03:47,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:47 BoogieIcfgContainer [2021-11-21 01:03:47,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:03:47,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:03:47,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:03:47,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:03:47,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:03:33" (1/3) ... [2021-11-21 01:03:47,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adf2ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:47, skipping insertion in model container [2021-11-21 01:03:47,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:33" (2/3) ... [2021-11-21 01:03:47,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adf2ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:47, skipping insertion in model container [2021-11-21 01:03:47,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:47" (3/3) ... [2021-11-21 01:03:47,649 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2021-11-21 01:03:47,657 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:03:47,658 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:03:47,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:03:47,729 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:03:47,734 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:03:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:03:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:03:47,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:47,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:47,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:03:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:47,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1457381495, now seen corresponding path program 1 times [2021-11-21 01:03:47,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:03:47,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852869788] [2021-11-21 01:03:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:47,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:03:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:03:47,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:03:47,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 01:03:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:49,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 01:03:49,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:03:49,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:03:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:03:49,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:03:49,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852869788] [2021-11-21 01:03:49,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852869788] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:49,268 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:49,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-21 01:03:49,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982608948] [2021-11-21 01:03:49,271 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:49,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:03:49,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:03:49,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:03:49,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:03:49,313 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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) [2021-11-21 01:03:49,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:49,371 INFO L93 Difference]: Finished difference Result 181 states and 294 transitions. [2021-11-21 01:03:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:03:49,376 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 [2021-11-21 01:03:49,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:49,388 INFO L225 Difference]: With dead ends: 181 [2021-11-21 01:03:49,388 INFO L226 Difference]: Without dead ends: 88 [2021-11-21 01:03:49,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:03:49,399 INFO L933 BasicCegarLoop]: 132 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, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:49,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:03:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-21 01:03:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-21 01:03:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 81 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:03:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2021-11-21 01:03:49,463 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 11 [2021-11-21 01:03:49,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:49,464 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2021-11-21 01:03:49,464 INFO L471 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) [2021-11-21 01:03:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2021-11-21 01:03:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 01:03:49,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:49,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:49,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:03:49,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:03:49,669 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:03:49,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:49,670 INFO L85 PathProgramCache]: Analyzing trace with hash 413175488, now seen corresponding path program 1 times [2021-11-21 01:03:49,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:03:49,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208257966] [2021-11-21 01:03:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:49,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:03:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:03:49,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:03:49,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-21 01:03:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:50,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 01:03:50,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:51,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-21 01:03:51,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-21 01:03:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:03:54,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:03:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:03:56,116 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:03:56,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208257966] [2021-11-21 01:03:56,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208257966] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:56,117 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:56,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-21 01:03:56,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483351970] [2021-11-21 01:03:56,118 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:56,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:03:56,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:03:56,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:03:56,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=150, Unknown=1, NotChecked=0, Total=182 [2021-11-21 01:03:56,121 INFO L87 Difference]: Start difference. First operand 88 states and 127 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:03:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:56,895 INFO L93 Difference]: Finished difference Result 92 states and 130 transitions. [2021-11-21 01:03:56,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:03:56,901 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-21 01:03:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:56,904 INFO L225 Difference]: With dead ends: 92 [2021-11-21 01:03:56,904 INFO L226 Difference]: Without dead ends: 88 [2021-11-21 01:03:56,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=46, Invalid=193, Unknown=1, NotChecked=0, Total=240 [2021-11-21 01:03:56,907 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 7 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:56,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 1242 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 62 Unchecked, 0.5s Time] [2021-11-21 01:03:56,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-21 01:03:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-21 01:03:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:03:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2021-11-21 01:03:56,924 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 13 [2021-11-21 01:03:56,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:56,924 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2021-11-21 01:03:56,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:03:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2021-11-21 01:03:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 01:03:56,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:56,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:03:56,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:03:57,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:03:57,137 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:03:57,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:57,138 INFO L85 PathProgramCache]: Analyzing trace with hash -2003357637, now seen corresponding path program 1 times [2021-11-21 01:03:57,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:03:57,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822109646] [2021-11-21 01:03:57,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:57,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:03:57,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:03:57,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:03:57,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-21 01:03:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:58,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:03:58,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:03:59,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:04:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:02,616 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:04:02,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822109646] [2021-11-21 01:04:02,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822109646] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:02,617 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:02,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-21 01:04:02,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54022976] [2021-11-21 01:04:02,617 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:02,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:04:02,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:04:02,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:04:02,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:04:02,619 INFO L87 Difference]: Start difference. First operand 88 states and 126 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:10,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:12,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:14,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:16,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:18,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:20,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:22,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:25,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:27,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:04:27,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:27,833 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2021-11-21 01:04:27,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:04:27,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-21 01:04:27,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:27,837 INFO L225 Difference]: With dead ends: 96 [2021-11-21 01:04:27,837 INFO L226 Difference]: Without dead ends: 91 [2021-11-21 01:04:27,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:04:27,840 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 107 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:27,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 526 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 6 Unknown, 0 Unchecked, 23.9s Time] [2021-11-21 01:04:27,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-21 01:04:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2021-11-21 01:04:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4444444444444444) internal successors, (117), 81 states have internal predecessors, (117), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:04:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 125 transitions. [2021-11-21 01:04:27,856 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 125 transitions. Word has length 18 [2021-11-21 01:04:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:27,856 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 125 transitions. [2021-11-21 01:04:27,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2021-11-21 01:04:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 01:04:27,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:27,859 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:27,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:04:28,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:04:28,061 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:28,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:28,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2001510595, now seen corresponding path program 1 times [2021-11-21 01:04:28,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:04:28,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385475373] [2021-11-21 01:04:28,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:28,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:04:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:04:28,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:04:28,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-21 01:04:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:29,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:04:29,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:04:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:29,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:04:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:29,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:04:29,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385475373] [2021-11-21 01:04:29,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385475373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:29,774 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:29,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-21 01:04:29,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730352954] [2021-11-21 01:04:29,774 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:29,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:04:29,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:04:29,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:04:29,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:04:29,776 INFO L87 Difference]: Start difference. First operand 88 states and 125 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:30,105 INFO L93 Difference]: Finished difference Result 93 states and 129 transitions. [2021-11-21 01:04:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:04:30,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 18 [2021-11-21 01:04:30,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:30,108 INFO L225 Difference]: With dead ends: 93 [2021-11-21 01:04:30,108 INFO L226 Difference]: Without dead ends: 86 [2021-11-21 01:04:30,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:04:30,110 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 133 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:30,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 303 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:04:30,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-21 01:04:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-21 01:04:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 79 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:04:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 121 transitions. [2021-11-21 01:04:30,123 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 121 transitions. Word has length 18 [2021-11-21 01:04:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:30,123 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 121 transitions. [2021-11-21 01:04:30,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2021-11-21 01:04:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 01:04:30,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:30,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:30,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-21 01:04:30,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:04:30,341 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:30,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash -106452547, now seen corresponding path program 1 times [2021-11-21 01:04:30,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:04:30,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13296183] [2021-11-21 01:04:30,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:30,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:04:30,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:04:30,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:04:30,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-21 01:04:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:31,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:04:31,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:04:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:31,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:04:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:32,582 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:04:32,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13296183] [2021-11-21 01:04:32,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13296183] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:32,582 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:32,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-21 01:04:32,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274226447] [2021-11-21 01:04:32,583 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:32,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:04:32,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:04:32,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:04:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:04:32,584 INFO L87 Difference]: Start difference. First operand 86 states and 121 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:35,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:35,074 INFO L93 Difference]: Finished difference Result 156 states and 218 transitions. [2021-11-21 01:04:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:04:35,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 18 [2021-11-21 01:04:35,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:35,081 INFO L225 Difference]: With dead ends: 156 [2021-11-21 01:04:35,082 INFO L226 Difference]: Without dead ends: 84 [2021-11-21 01:04:35,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:04:35,084 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 9 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:35,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 721 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 10 Unchecked, 0.3s Time] [2021-11-21 01:04:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-21 01:04:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2021-11-21 01:04:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-21 01:04:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 110 transitions. [2021-11-21 01:04:35,096 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 110 transitions. Word has length 18 [2021-11-21 01:04:35,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:35,097 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 110 transitions. [2021-11-21 01:04:35,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2021-11-21 01:04:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 01:04:35,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:35,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:35,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:04:35,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:04:35,312 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:35,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:35,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1979434587, now seen corresponding path program 1 times [2021-11-21 01:04:35,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:04:35,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427486450] [2021-11-21 01:04:35,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:35,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:04:35,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:04:35,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:04:35,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-21 01:04:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:36,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:04:36,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:04:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:36,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:04:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:04:37,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:04:37,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427486450] [2021-11-21 01:04:37,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427486450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:37,493 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:37,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-21 01:04:37,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290612258] [2021-11-21 01:04:37,494 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:37,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:04:37,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:04:37,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:04:37,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:04:37,495 INFO L87 Difference]: Start difference. First operand 80 states and 110 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:37,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:37,829 INFO L93 Difference]: Finished difference Result 80 states and 110 transitions. [2021-11-21 01:04:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:04:37,830 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-21 01:04:37,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:37,830 INFO L225 Difference]: With dead ends: 80 [2021-11-21 01:04:37,830 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:04:37,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:04:37,833 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 42 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:37,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 16 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:04:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:04:37,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:04:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:04:37,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-11-21 01:04:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:37,836 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:04:37,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:04:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:04:37,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:04:37,839 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:04:37,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:04:38,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:04:38,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:04:38,736 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-11-21 01:04:38,736 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-11-21 01:04:38,737 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-11-21 01:04:38,737 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-11-21 01:04:38,737 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-11-21 01:04:38,737 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-11-21 01:04:38,739 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-11-21 01:04:38,741 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-11-21 01:04:38,741 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-21 01:04:38,741 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-11-21 01:04:38,741 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:04:38,742 INFO L861 garLoopResultBuilder]: At program point L235(lines 217 236) the Hoare annotation is: true [2021-11-21 01:04:38,742 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-21 01:04:38,742 INFO L854 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|)) [2021-11-21 01:04:38,742 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-21 01:04:38,750 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-11-21 01:04:38,750 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-11-21 01:04:38,750 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-11-21 01:04:38,750 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-21 01:04:38,751 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= .cse0 |ULTIMATE.start___ieee754_atan2f_~x#1|) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)))) [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-11-21 01:04:38,752 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 233) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2021-11-21 01:04:38,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-11-21 01:04:38,754 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= .cse0 |ULTIMATE.start___ieee754_atan2f_~x#1|) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5|) (_ bv0 32)))) (and (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= (bvand (_ bv2147483647 32) .cse1) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|)))) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)))) [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-21 01:04:38,755 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L861 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-21 01:04:38,756 INFO L861 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L861 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-11-21 01:04:38,757 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-11-21 01:04:38,758 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-21 01:04:38,758 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-11-21 01:04:38,758 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-11-21 01:04:38,758 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-11-21 01:04:38,758 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-11-21 01:04:38,758 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-11-21 01:04:38,761 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-21 01:04:38,762 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:04:38,776 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,781 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,781 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,782 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,782 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,786 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,789 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:04:38 BoogieIcfgContainer [2021-11-21 01:04:38,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:04:38,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:04:38,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:04:38,791 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:04:38,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:47" (3/4) ... [2021-11-21 01:04:38,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:04:38,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-21 01:04:38,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-11-21 01:04:38,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-21 01:04:38,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-21 01:04:38,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 01:04:38,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:04:38,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5 : bv32 :: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32][22:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32]) == ix)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2021-11-21 01:04:38,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result [2021-11-21 01:04:38,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:04:38,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:04:38,889 INFO L158 Benchmark]: Toolchain (without parser) took 65402.90ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 39.4MB in the beginning and 30.1MB in the end (delta: 9.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,889 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:04:38,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.43ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 41.2MB in the end (delta: -1.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.08ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 38.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,891 INFO L158 Benchmark]: Boogie Preprocessor took 105.68ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 35.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,891 INFO L158 Benchmark]: RCFGBuilder took 13466.86ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 58.1MB in the end (delta: -22.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,892 INFO L158 Benchmark]: TraceAbstraction took 51150.79ms. Allocated memory is still 90.2MB. Free memory was 57.7MB in the beginning and 37.7MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,892 INFO L158 Benchmark]: Witness Printer took 97.69ms. Allocated memory is still 90.2MB. Free memory was 37.7MB in the beginning and 30.1MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 01:04:38,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.43ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 41.2MB in the end (delta: -1.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.08ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 38.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.68ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 35.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13466.86ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 58.1MB in the end (delta: -22.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 51150.79ms. Allocated memory is still 90.2MB. Free memory was 57.7MB in the beginning and 37.7MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 97.69ms. Allocated memory is still 90.2MB. Free memory was 37.7MB in the beginning and 30.1MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,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[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: 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 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 301 SdHoareTripleChecker+Valid, 25.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 298 mSDsluCounter, 2940 SdHoareTripleChecker+Invalid, 24.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 72 IncrementalHoareTripleChecker+Unchecked, 2358 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 582 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 35 PreInvPairs, 39 NumberOfFragments, 140 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 182 ConstructedInterpolants, 31 QuantifiedInterpolants, 1385 SizeOfPredicates, 36 NumberOfNonLiveVariables, 639 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant [2021-11-21 01:04:38,921 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,922 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant [2021-11-21 01:04:38,923 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,926 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,926 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,928 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,929 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,938 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,938 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant [2021-11-21 01:04:38,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,940 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-21 01:04:38,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5,QUANTIFIED] [2021-11-21 01:04:38,942 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5 : bv32 :: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32][22:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_5][0bv32]) == ix)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) RESULT: Ultimate proved your program to be correct! [2021-11-21 01:04:39,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90049ce7-8bae-4688-9ab9-6149e97903d1/bin/utaipan-TEXQjIfE4P/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