./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan --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 2dc9b6ebc0cac22050eb3fed9b1cd6c7124976ef ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan --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 2dc9b6ebc0cac22050eb3fed9b1cd6c7124976ef ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:24:17,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:24:17,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:24:17,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:24:17,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:24:17,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:24:17,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:24:17,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:24:17,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:24:17,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:24:17,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:24:17,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:24:17,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:24:17,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:24:17,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:24:17,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:24:17,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:24:17,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:24:17,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:24:17,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:24:17,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:24:17,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:24:17,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:24:17,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:24:17,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:24:17,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:24:17,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:24:17,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:24:17,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:24:17,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:24:17,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:24:17,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:24:17,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:24:17,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:24:17,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:24:17,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:24:17,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:24:17,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:24:17,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:24:17,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:24:17,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:24:17,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 18:24:17,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:24:17,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:24:17,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:24:17,537 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:24:17,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:24:17,537 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:24:17,544 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 18:24:17,544 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:24:17,544 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:24:17,544 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 18:24:17,545 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 18:24:17,545 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:24:17,545 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 18:24:17,545 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 18:24:17,545 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 18:24:17,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:24:17,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:24:17,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:24:17,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:24:17,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:24:17,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 18:24:17,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 18:24:17,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:24:17,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:24:17,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:24:17,548 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-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dc9b6ebc0cac22050eb3fed9b1cd6c7124976ef [2020-12-09 18:24:17,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:24:17,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:24:17,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:24:17,728 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:24:17,729 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:24:17,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2020-12-09 18:24:17,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/921869c0a/a21cec01b14448f6aa51133a22736bb3/FLAG46311a2d8 [2020-12-09 18:24:18,138 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:24:18,138 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2020-12-09 18:24:18,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/921869c0a/a21cec01b14448f6aa51133a22736bb3/FLAG46311a2d8 [2020-12-09 18:24:18,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/921869c0a/a21cec01b14448f6aa51133a22736bb3 [2020-12-09 18:24:18,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:24:18,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:24:18,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:24:18,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:24:18,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:24:18,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a7cb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18, skipping insertion in model container [2020-12-09 18:24:18,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:24:18,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:24:18,330 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2020-12-09 18:24:18,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:24:18,340 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:24:18,372 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2020-12-09 18:24:18,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:24:18,387 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:24:18,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18 WrapperNode [2020-12-09 18:24:18,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:24:18,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:24:18,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:24:18,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:24:18,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:24:18,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:24:18,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:24:18,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:24:18,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... [2020-12-09 18:24:18,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:24:18,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:24:18,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:24:18,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:24:18,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:24:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 18:24:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:24:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 18:24:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 18:24:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 18:24:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:24:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:24:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 18:24:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 18:24:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 18:24:19,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:24:19,129 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-09 18:24:19,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:24:19 BoogieIcfgContainer [2020-12-09 18:24:19,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:24:19,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:24:19,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:24:19,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:24:19,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:24:18" (1/3) ... [2020-12-09 18:24:19,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcf18e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:24:19, skipping insertion in model container [2020-12-09 18:24:19,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:18" (2/3) ... [2020-12-09 18:24:19,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcf18e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:24:19, skipping insertion in model container [2020-12-09 18:24:19,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:24:19" (3/3) ... [2020-12-09 18:24:19,136 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661b.c [2020-12-09 18:24:19,145 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:24:19,148 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:24:19,155 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 18:24:19,172 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:24:19,172 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:24:19,172 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:24:19,172 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:24:19,172 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:24:19,172 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:24:19,172 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:24:19,172 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:24:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-12-09 18:24:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 18:24:19,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:24:19,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:24:19,186 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:24:19,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:24:19,190 INFO L82 PathProgramCache]: Analyzing trace with hash -675502088, now seen corresponding path program 1 times [2020-12-09 18:24:19,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:24:19,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760798219] [2020-12-09 18:24:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:24:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:24:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:24:19,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760798219] [2020-12-09 18:24:19,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:24:19,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:24:19,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412895334] [2020-12-09 18:24:19,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 18:24:19,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 18:24:19,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 18:24:19,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 18:24:19,333 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-12-09 18:24:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:24:19,354 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2020-12-09 18:24:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 18:24:19,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 18:24:19,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:24:19,363 INFO L225 Difference]: With dead ends: 154 [2020-12-09 18:24:19,363 INFO L226 Difference]: Without dead ends: 75 [2020-12-09 18:24:19,365 INFO L677 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 [2020-12-09 18:24:19,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-09 18:24:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-09 18:24:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-09 18:24:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-12-09 18:24:19,391 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2020-12-09 18:24:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:24:19,391 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-12-09 18:24:19,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 18:24:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-09 18:24:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 18:24:19,392 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:24:19,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:24:19,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 18:24:19,392 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:24:19,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:24:19,393 INFO L82 PathProgramCache]: Analyzing trace with hash -804942975, now seen corresponding path program 1 times [2020-12-09 18:24:19,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:24:19,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969313438] [2020-12-09 18:24:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:24:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 18:24:19,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 18:24:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 18:24:19,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 18:24:19,493 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 18:24:19,493 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 18:24:19,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 18:24:19,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:24:19 BoogieIcfgContainer [2020-12-09 18:24:19,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:24:19,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:24:19,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:24:19,519 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:24:19,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:24:19" (3/4) ... [2020-12-09 18:24:19,521 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 18:24:19,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:24:19,523 INFO L168 Benchmark]: Toolchain (without parser) took 1363.79 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 46.4 MB in the beginning and 50.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:24:19,524 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:24:19,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.75 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 46.2 MB in the beginning and 67.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 18:24:19,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.17 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 64.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 18:24:19,525 INFO L168 Benchmark]: Boogie Preprocessor took 51.16 ms. Allocated memory is still 98.6 MB. Free memory was 64.3 MB in the beginning and 61.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:24:19,526 INFO L168 Benchmark]: RCFGBuilder took 648.34 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 49.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-12-09 18:24:19,526 INFO L168 Benchmark]: TraceAbstraction took 386.80 ms. Allocated memory is still 98.6 MB. Free memory was 48.9 MB in the beginning and 50.9 MB in the end (delta: -2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:24:19,526 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 98.6 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:24:19,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 227.75 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 46.2 MB in the beginning and 67.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.17 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 64.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.16 ms. Allocated memory is still 98.6 MB. Free memory was 64.3 MB in the beginning and 61.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 648.34 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 49.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 386.80 ms. Allocated memory is still 98.6 MB. Free memory was 48.9 MB in the beginning and 50.9 MB in the end (delta: -2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.84 ms. Allocated memory is still 98.6 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: 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 232, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, 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 = __VERIFIER_nondet_float(); [L219] float y = 0.0f; VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] COND TRUE x > 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [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 [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [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 [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != 0.0f VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L233] reach_error() VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:24:21,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:24:21,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:24:21,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:24:21,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:24:21,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:24:21,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:24:21,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:24:21,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:24:21,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:24:21,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:24:21,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:24:21,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:24:21,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:24:21,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:24:21,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:24:21,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:24:21,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:24:21,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:24:21,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:24:21,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:24:21,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:24:21,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:24:21,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:24:21,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:24:21,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:24:21,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:24:21,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:24:21,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:24:21,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:24:21,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:24:21,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:24:21,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:24:21,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:24:21,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:24:21,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:24:21,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:24:21,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:24:21,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:24:21,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:24:21,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:24:21,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 18:24:21,223 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:24:21,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:24:21,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:24:21,224 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:24:21,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:24:21,225 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:24:21,225 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:24:21,225 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:24:21,225 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:24:21,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:24:21,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:24:21,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:24:21,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:24:21,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:24:21,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:24:21,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:24:21,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:24:21,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 18:24:21,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 18:24:21,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:24:21,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:24:21,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:24:21,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:24:21,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:24:21,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 18:24:21,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:24:21,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:24:21,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:24:21,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:24:21,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:24:21,230 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 18:24:21,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 18:24:21,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:24:21,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:24:21,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:24:21,231 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-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dc9b6ebc0cac22050eb3fed9b1cd6c7124976ef [2020-12-09 18:24:21,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:24:21,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:24:21,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:24:21,477 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:24:21,478 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:24:21,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2020-12-09 18:24:21,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/c7c2dca10/88948d9910b748aaadd3a005791ea781/FLAG8d348a1ad [2020-12-09 18:24:21,964 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:24:21,965 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2020-12-09 18:24:21,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/c7c2dca10/88948d9910b748aaadd3a005791ea781/FLAG8d348a1ad [2020-12-09 18:24:21,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/data/c7c2dca10/88948d9910b748aaadd3a005791ea781 [2020-12-09 18:24:21,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:24:21,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:24:21,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:24:21,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:24:21,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:24:21,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:24:21" (1/1) ... [2020-12-09 18:24:21,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221686f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:21, skipping insertion in model container [2020-12-09 18:24:21,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:24:21" (1/1) ... [2020-12-09 18:24:21,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:24:22,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:24:22,168 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2020-12-09 18:24:22,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:24:22,181 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:24:22,239 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2020-12-09 18:24:22,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:24:22,256 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:24:22,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22 WrapperNode [2020-12-09 18:24:22,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:24:22,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:24:22,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:24:22,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:24:22,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:24:22,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:24:22,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:24:22,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:24:22,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... [2020-12-09 18:24:22,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:24:22,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:24:22,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:24:22,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:24:22,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:24:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 18:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 18:24:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 18:24:52,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:24:52,535 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-09 18:24:52,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:24:52 BoogieIcfgContainer [2020-12-09 18:24:52,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:24:52,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:24:52,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:24:52,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:24:52,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:24:21" (1/3) ... [2020-12-09 18:24:52,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ab231c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:24:52, skipping insertion in model container [2020-12-09 18:24:52,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:24:22" (2/3) ... [2020-12-09 18:24:52,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ab231c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:24:52, skipping insertion in model container [2020-12-09 18:24:52,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:24:52" (3/3) ... [2020-12-09 18:24:52,542 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661b.c [2020-12-09 18:24:52,552 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:24:52,555 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:24:52,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 18:24:52,578 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:24:52,578 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:24:52,578 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:24:52,579 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:24:52,579 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:24:52,579 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:24:52,579 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:24:52,579 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:24:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-12-09 18:24:52,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 18:24:52,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:24:52,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:24:52,594 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:24:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:24:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-12-09 18:24:52,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:24:52,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491710437] [2020-12-09 18:24:52,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 18:24:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:24:53,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 18:24:53,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:24:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:24:53,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:24:53,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491710437] [2020-12-09 18:24:53,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:24:53,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:24:53,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672114357] [2020-12-09 18:24:53,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 18:24:53,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:24:53,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 18:24:53,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 18:24:53,475 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-12-09 18:24:53,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:24:53,494 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2020-12-09 18:24:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 18:24:53,495 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-09 18:24:53,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:24:53,502 INFO L225 Difference]: With dead ends: 219 [2020-12-09 18:24:53,502 INFO L226 Difference]: Without dead ends: 107 [2020-12-09 18:24:53,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 18:24:53,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-09 18:24:53,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-09 18:24:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-09 18:24:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-12-09 18:24:53,532 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-12-09 18:24:53,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:24:53,533 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-12-09 18:24:53,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 18:24:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-12-09 18:24:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 18:24:53,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:24:53,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:24:53,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 18:24:53,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:24:53,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:24:53,736 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-12-09 18:24:53,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:24:53,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775462848] [2020-12-09 18:24:53,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 18:24:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:24:54,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 18:24:54,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:24:54,723 INFO L382 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 11 treesize of output 7 [2020-12-09 18:24:54,724 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 18:24:54,793 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 18:24:54,796 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 18:24:54,796 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:32 [2020-12-09 18:24:55,037 INFO L382 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 31 treesize of output 15 [2020-12-09 18:24:55,040 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 18:24:55,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 18:24:55,086 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 18:24:55,086 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:24 [2020-12-09 18:24:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:24:55,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:24:55,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775462848] [2020-12-09 18:24:55,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:24:55,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 18:24:55,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99597699] [2020-12-09 18:24:55,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 18:24:55,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:24:55,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 18:24:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-09 18:24:55,333 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 8 states. [2020-12-09 18:24:56,296 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 18:25:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:25:15,595 INFO L93 Difference]: Finished difference Result 163 states and 235 transitions. [2020-12-09 18:25:15,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 18:25:15,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-12-09 18:25:15,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:25:15,620 INFO L225 Difference]: With dead ends: 163 [2020-12-09 18:25:15,620 INFO L226 Difference]: Without dead ends: 98 [2020-12-09 18:25:15,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-12-09 18:25:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-09 18:25:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-12-09 18:25:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-09 18:25:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2020-12-09 18:25:15,635 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 13 [2020-12-09 18:25:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:25:15,635 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2020-12-09 18:25:15,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 18:25:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2020-12-09 18:25:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 18:25:15,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:25:15,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:25:15,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 18:25:15,838 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:25:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:25:15,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1269233595, now seen corresponding path program 1 times [2020-12-09 18:25:15,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:25:15,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804345548] [2020-12-09 18:25:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 18:25:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:25:16,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:25:16,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:25:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:25:16,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:25:16,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804345548] [2020-12-09 18:25:16,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:25:16,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 18:25:16,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649703549] [2020-12-09 18:25:16,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 18:25:16,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:25:16,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 18:25:16,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 18:25:16,849 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand 6 states. [2020-12-09 18:25:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:25:20,188 INFO L93 Difference]: Finished difference Result 102 states and 138 transitions. [2020-12-09 18:25:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 18:25:20,190 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-09 18:25:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:25:20,192 INFO L225 Difference]: With dead ends: 102 [2020-12-09 18:25:20,192 INFO L226 Difference]: Without dead ends: 98 [2020-12-09 18:25:20,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 18:25:20,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-09 18:25:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-12-09 18:25:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-09 18:25:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 134 transitions. [2020-12-09 18:25:20,204 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 134 transitions. Word has length 18 [2020-12-09 18:25:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:25:20,205 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 134 transitions. [2020-12-09 18:25:20,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 18:25:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2020-12-09 18:25:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 18:25:20,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:25:20,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:25:20,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 18:25:20,407 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:25:20,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:25:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash 685009085, now seen corresponding path program 1 times [2020-12-09 18:25:20,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:25:20,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93291608] [2020-12-09 18:25:20,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 18:25:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:25:21,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 18:25:21,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:25:21,365 INFO L382 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 11 treesize of output 7 [2020-12-09 18:25:21,367 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 18:25:21,441 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 18:25:21,443 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 18:25:21,444 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:32 [2020-12-09 18:25:21,583 INFO L382 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 29 treesize of output 13 [2020-12-09 18:25:21,585 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 18:25:21,626 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 18:25:21,627 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 18:25:21,627 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:19 [2020-12-09 18:25:22,051 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 5 [2020-12-09 18:25:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:25:22,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:25:22,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93291608] [2020-12-09 18:25:22,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:25:22,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-09 18:25:22,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530107221] [2020-12-09 18:25:22,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 18:25:22,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:25:22,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 18:25:22,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-09 18:25:22,147 INFO L87 Difference]: Start difference. First operand 98 states and 134 transitions. Second operand 9 states. [2020-12-09 18:25:22,990 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 18:25:23,222 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 18:25:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:25:27,968 INFO L93 Difference]: Finished difference Result 104 states and 139 transitions. [2020-12-09 18:25:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 18:25:27,991 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-12-09 18:25:27,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:25:27,992 INFO L225 Difference]: With dead ends: 104 [2020-12-09 18:25:27,992 INFO L226 Difference]: Without dead ends: 39 [2020-12-09 18:25:27,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-12-09 18:25:27,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-09 18:25:27,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-09 18:25:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-09 18:25:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-12-09 18:25:27,997 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 19 [2020-12-09 18:25:27,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:25:27,997 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-12-09 18:25:27,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 18:25:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-12-09 18:25:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 18:25:27,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:25:27,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:25:28,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 18:25:28,201 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:25:28,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:25:28,202 INFO L82 PathProgramCache]: Analyzing trace with hash -323150641, now seen corresponding path program 1 times [2020-12-09 18:25:28,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:25:28,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372136935] [2020-12-09 18:25:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 18:25:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:25:29,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 18:25:29,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:25:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:25:29,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:25:29,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372136935] [2020-12-09 18:25:29,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:25:29,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 18:25:29,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95847919] [2020-12-09 18:25:29,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 18:25:29,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:25:29,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 18:25:29,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-09 18:25:29,321 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 7 states. [2020-12-09 18:25:35,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:25:35,544 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2020-12-09 18:25:35,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 18:25:35,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-12-09 18:25:35,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:25:35,545 INFO L225 Difference]: With dead ends: 54 [2020-12-09 18:25:35,546 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 18:25:35,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:25:35,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 18:25:35,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2020-12-09 18:25:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 18:25:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-12-09 18:25:35,549 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 20 [2020-12-09 18:25:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:25:35,550 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-12-09 18:25:35,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 18:25:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-09 18:25:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 18:25:35,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:25:35,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:25:35,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 18:25:35,752 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:25:35,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:25:35,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2134513230, now seen corresponding path program 1 times [2020-12-09 18:25:35,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:25:35,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501757106] [2020-12-09 18:25:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 18:25:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:25:36,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 18:25:36,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:25:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:25:37,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:25:37,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501757106] [2020-12-09 18:25:37,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:25:37,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 18:25:37,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978061257] [2020-12-09 18:25:37,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 18:25:37,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:25:37,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 18:25:37,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-09 18:25:37,015 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 8 states. [2020-12-09 18:25:37,919 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-09 18:25:46,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:25:46,572 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-12-09 18:25:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 18:25:46,573 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-09 18:25:46,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:25:46,574 INFO L225 Difference]: With dead ends: 33 [2020-12-09 18:25:46,574 INFO L226 Difference]: Without dead ends: 28 [2020-12-09 18:25:46,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-09 18:25:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-09 18:25:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-09 18:25:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 18:25:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-12-09 18:25:46,578 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 22 [2020-12-09 18:25:46,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:25:46,578 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-12-09 18:25:46,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 18:25:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-12-09 18:25:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 18:25:46,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:25:46,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:25:46,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 18:25:46,781 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:25:46,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:25:46,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1245613635, now seen corresponding path program 1 times [2020-12-09 18:25:46,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:25:46,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26356429] [2020-12-09 18:25:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 18:25:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:25:48,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 18:25:48,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:25:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:25:48,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:25:48,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26356429] [2020-12-09 18:25:48,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:25:48,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 18:25:48,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126742960] [2020-12-09 18:25:48,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 18:25:48,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:25:48,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 18:25:48,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-09 18:25:48,936 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 6 states. [2020-12-09 18:25:49,300 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 18:25:49,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:25:49,312 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-12-09 18:25:49,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 18:25:49,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-12-09 18:25:49,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:25:49,315 INFO L225 Difference]: With dead ends: 28 [2020-12-09 18:25:49,315 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 18:25:49,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-12-09 18:25:49,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 18:25:49,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 18:25:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 18:25:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 18:25:49,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-09 18:25:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:25:49,316 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 18:25:49,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 18:25:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 18:25:49,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 18:25:49,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 18:25:49,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 18:25:50,049 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-12-09 18:25:50,285 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-09 18:25:50,422 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 18:25:50,642 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-09 18:25:50,658 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-09 18:25:50,658 INFO L262 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-12-09 18:25:50,658 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 18:25:50,658 INFO L262 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-12-09 18:25:50,659 INFO L258 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24))) [2020-12-09 18:25:50,659 INFO L262 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-12-09 18:25:50,659 INFO L262 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-12-09 18:25:50,659 INFO L262 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-12-09 18:25:50,659 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-09 18:25:50,659 INFO L262 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-12-09 18:25:50,660 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-12-09 18:25:50,661 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L265 CegarLoopResult]: At program point L238(lines 217 239) the Hoare annotation is: true [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-12-09 18:25:50,662 INFO L262 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24))) [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L258 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 18:25:50,663 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 18:25:50,664 INFO L262 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-12-09 18:25:50,664 INFO L262 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-12-09 18:25:50,664 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-12-09 18:25:50,664 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-12-09 18:25:50,664 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-12-09 18:25:50,664 INFO L262 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-12-09 18:25:50,664 INFO L258 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-12-09 18:25:50,664 INFO L258 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-12-09 18:25:50,665 INFO L258 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L226(lines 226 236) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-09 18:25:50,665 INFO L262 CegarLoopResult]: For program point L226-2(lines 226 236) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-12-09 18:25:50,666 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L258 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_atan_float_#res|) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start_atan_float_~x (_ +zero 8 24)) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24))) [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-12-09 18:25:50,667 INFO L258 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-12-09 18:25:50,667 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= .cse0 ULTIMATE.start___ieee754_atan2f_~hx~1) (fp.gt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse1) ULTIMATE.start___ieee754_atan2f_~ix~2) (fp.gt (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (_ +zero 8 24))))) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2020-12-09 18:25:50,668 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L258 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L258 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L232(lines 232 235) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-09 18:25:50,669 INFO L262 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-12-09 18:25:50,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:25:50 BoogieIcfgContainer [2020-12-09 18:25:50,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:25:50,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:25:50,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:25:50,705 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:25:50,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:24:52" (3/4) ... [2020-12-09 18:25:50,708 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 18:25:50,720 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-09 18:25:50,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 18:25:50,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 18:25:50,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 18:25:50,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32] == hx && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && y == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && y == ~Pluszero~LONGDOUBLE()) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) [2020-12-09 18:25:50,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE()) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() [2020-12-09 18:25:50,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE()) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && y == ~Pluszero~LONGDOUBLE()) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() [2020-12-09 18:25:50,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && x == ~Pluszero~LONGDOUBLE()) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() [2020-12-09 18:25:50,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_095d4f66-6966-49ca-9b40-9272370e317f/bin/utaipan/witness.graphml [2020-12-09 18:25:50,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:25:50,790 INFO L168 Benchmark]: Toolchain (without parser) took 88806.03 ms. Allocated memory was 48.2 MB in the beginning and 100.7 MB in the end (delta: 52.4 MB). Free memory was 24.4 MB in the beginning and 71.7 MB in the end (delta: -47.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,790 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 48.2 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:25:50,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.24 ms. Allocated memory was 48.2 MB in the beginning and 69.2 MB in the end (delta: 21.0 MB). Free memory was 24.2 MB in the beginning and 49.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.49 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 45.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,791 INFO L168 Benchmark]: Boogie Preprocessor took 43.93 ms. Allocated memory is still 69.2 MB. Free memory was 45.9 MB in the beginning and 42.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,792 INFO L168 Benchmark]: RCFGBuilder took 30190.36 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 42.6 MB in the beginning and 69.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,792 INFO L168 Benchmark]: TraceAbstraction took 58167.05 ms. Allocated memory is still 100.7 MB. Free memory was 69.8 MB in the beginning and 79.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,792 INFO L168 Benchmark]: Witness Printer took 84.12 ms. Allocated memory is still 100.7 MB. Free memory was 79.0 MB in the beginning and 71.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:25:50,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 48.2 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 272.24 ms. Allocated memory was 48.2 MB in the beginning and 69.2 MB in the end (delta: 21.0 MB). Free memory was 24.2 MB in the beginning and 49.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.49 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 45.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.93 ms. Allocated memory is still 69.2 MB. Free memory was 45.9 MB in the beginning and 42.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 30190.36 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 42.6 MB in the beginning and 69.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 58167.05 ms. Allocated memory is still 100.7 MB. Free memory was 69.8 MB in the beginning and 79.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. * Witness Printer took 84.12 ms. Allocated memory is still 100.7 MB. Free memory was 79.0 MB in the beginning and 71.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.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.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.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[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-12-09 18:25:50,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && y == ~Pluszero~LONGDOUBLE()) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-12-09 18:25:50,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 18:25:50,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32] == hx && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && y == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && y == ~Pluszero~LONGDOUBLE()) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 57]: Loop Invariant [2020-12-09 18:25:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE()) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && y == ~Pluszero~LONGDOUBLE()) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 120]: Loop Invariant [2020-12-09 18:25:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] Derived loop invariant: ((((((\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE()) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 18:25:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && x == ~Pluszero~LONGDOUBLE()) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 45.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 504 SDtfs, 1049 SDslu, 798 SDs, 0 SdLazy, 223 SolverSat, 16 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 41.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 22 NumberOfFragments, 326 HoareAnnotationTreeSize, 15 FomulaSimplifications, 262 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 121 ConstructedInterpolants, 11 QuantifiedInterpolants, 18834 SizeOfPredicates, 50 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 proved your program to be correct! Received shutdown request...