./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 deefefc900cdd5c5e1514b917a5b248369155e1c ..................................................................................................................................................................................................................................................................................................................................... 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_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 deefefc900cdd5c5e1514b917a5b248369155e1c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:23,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:23,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:23,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:23,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:23,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:23,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:23,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:23,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:23,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:23,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:23,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:23,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:23,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:23,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:23,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:23,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:23,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:23,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:23,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:23,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:23,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:23,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:23,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:23,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:23,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:23,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:23,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:23,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:23,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:23,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:23,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:23,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:23,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:23,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:23,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:23,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:23,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:23,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:23,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:23,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:23,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:23,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:23,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:23,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:23,288 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:23,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:23,289 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:23,289 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:23,289 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:23,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:23,290 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:23,291 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:23,291 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:23,291 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:23,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:23,292 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:23,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:23,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:23,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:23,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:23,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:23,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:23,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:23,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:23,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:23,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:23,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:23,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:23,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:23,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:23,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:23,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:23,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:23,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:23,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:23,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:23,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:23,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:23,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:23,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:23,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:23,299 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_e454c85c-e835-4b15-bca5-d3418553fd08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deefefc900cdd5c5e1514b917a5b248369155e1c [2020-11-22 12:56:23,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:23,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:23,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:23,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:23,642 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:23,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-22 12:56:23,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/9c33fc5b0/875d3ac6cab34defa5525461d4b6ac05/FLAGe1100bb6a [2020-11-22 12:56:24,223 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:24,223 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-22 12:56:24,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/9c33fc5b0/875d3ac6cab34defa5525461d4b6ac05/FLAGe1100bb6a [2020-11-22 12:56:24,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/9c33fc5b0/875d3ac6cab34defa5525461d4b6ac05 [2020-11-22 12:56:24,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:24,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:24,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:24,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:24,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:24,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:24,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df5163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24, skipping insertion in model container [2020-11-22 12:56:24,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:24,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:24,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:24,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:24,871 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:24,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:24,988 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:24,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24 WrapperNode [2020-11-22 12:56:24,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:24,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:24,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:24,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:24,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:25,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:25,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:25,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:25,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... [2020-11-22 12:56:25,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:25,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:25,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:25,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:25,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 [2020-11-22 12:56:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:56:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 12:56:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:56:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 12:56:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 12:56:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-22 12:56:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:26,725 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:26,725 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-22 12:56:26,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:26 BoogieIcfgContainer [2020-11-22 12:56:26,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:26,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:26,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:26,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:26,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:24" (1/3) ... [2020-11-22 12:56:26,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d1e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:26, skipping insertion in model container [2020-11-22 12:56:26,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:24" (2/3) ... [2020-11-22 12:56:26,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d1e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:26, skipping insertion in model container [2020-11-22 12:56:26,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:26" (3/3) ... [2020-11-22 12:56:26,746 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2020-11-22 12:56:26,773 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:26,777 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:26,832 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:26,866 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:26,867 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:26,867 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:26,867 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:26,867 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:26,867 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:26,867 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:26,867 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-22 12:56:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:56:26,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:26,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:26,894 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:26,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:26,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1068529098, now seen corresponding path program 1 times [2020-11-22 12:56:26,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:26,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500905652] [2020-11-22 12:56:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:27,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500905652] [2020-11-22 12:56:27,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:27,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:56:27,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905879587] [2020-11-22 12:56:27,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:27,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:56:27,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:27,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:27,129 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-22 12:56:27,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:27,152 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2020-11-22 12:56:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:27,154 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 12:56:27,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:27,170 INFO L225 Difference]: With dead ends: 154 [2020-11-22 12:56:27,172 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 12:56:27,180 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 [2020-11-22 12:56:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 12:56:27,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-22 12:56:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-22 12:56:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-22 12:56:27,229 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2020-11-22 12:56:27,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:27,229 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-22 12:56:27,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-22 12:56:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 12:56:27,230 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:27,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:27,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:56:27,231 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:27,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:27,233 INFO L82 PathProgramCache]: Analyzing trace with hash -546777537, now seen corresponding path program 1 times [2020-11-22 12:56:27,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:27,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803006237] [2020-11-22 12:56:27,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:27,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:27,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:27,487 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:56:27,487 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:27,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:56:27,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:27 BoogieIcfgContainer [2020-11-22 12:56:27,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:27,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:27,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:27,550 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:27,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:26" (3/4) ... [2020-11-22 12:56:27,553 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:56:27,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:27,557 INFO L168 Benchmark]: Toolchain (without parser) took 3001.62 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 85.7 MB in the beginning and 99.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,558 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:27,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.94 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 84.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.42 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 80.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,561 INFO L168 Benchmark]: Boogie Preprocessor took 88.99 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 77.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,562 INFO L168 Benchmark]: RCFGBuilder took 1563.26 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 77.6 MB in the beginning and 81.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,563 INFO L168 Benchmark]: TraceAbstraction took 812.59 ms. Allocated memory is still 159.4 MB. Free memory was 132.0 MB in the beginning and 100.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:27,563 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 159.4 MB. Free memory was 100.5 MB in the beginning and 99.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:27,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.94 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 84.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.42 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 80.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.99 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 77.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1563.26 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 77.6 MB in the beginning and 81.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 812.59 ms. Allocated memory is still 159.4 MB. Free memory was 132.0 MB in the beginning and 100.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.85 ms. Allocated memory is still 159.4 MB. Free memory was 100.5 MB in the beginning and 99.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [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] [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi_o_2 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] [L3] __assert_fail("0", "float_req_bl_0662a.c", 3, "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: 0.6s, 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, 0.1s 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-a4ecdab [2020-11-22 12:56:30,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:30,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:30,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:30,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:30,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:30,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:30,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:30,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:30,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:30,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:30,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:30,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:30,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:30,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:30,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:30,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:30,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:30,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:30,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:30,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:30,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:30,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:30,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:30,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:30,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:30,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:30,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:30,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:30,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:30,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:30,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:30,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:30,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:30,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:30,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:30,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:30,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:30,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:30,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:30,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:30,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:30,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:30,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:30,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:30,245 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:30,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:30,245 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:30,245 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:30,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:30,246 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:30,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:30,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:30,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:30,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:30,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:30,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:30,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:30,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:30,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:30,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:30,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:30,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:30,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:30,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:30,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:30,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:30,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:30,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:30,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:30,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:30,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:30,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:30,255 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:30,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:30,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:30,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:30,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:30,256 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_e454c85c-e835-4b15-bca5-d3418553fd08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deefefc900cdd5c5e1514b917a5b248369155e1c [2020-11-22 12:56:30,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:30,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:30,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:30,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:30,671 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:30,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-22 12:56:30,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/eb7bf61be/c89425536fb64ab798cd57f0e6df7658/FLAG2c951f3d9 [2020-11-22 12:56:31,272 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:31,272 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-22 12:56:31,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/eb7bf61be/c89425536fb64ab798cd57f0e6df7658/FLAG2c951f3d9 [2020-11-22 12:56:31,639 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/data/eb7bf61be/c89425536fb64ab798cd57f0e6df7658 [2020-11-22 12:56:31,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:31,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:31,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:31,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:31,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:31,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:31" (1/1) ... [2020-11-22 12:56:31,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3414bb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:31, skipping insertion in model container [2020-11-22 12:56:31,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:31" (1/1) ... [2020-11-22 12:56:31,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:31,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:31,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:31,915 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:31,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:32,057 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:32,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32 WrapperNode [2020-11-22 12:56:32,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:32,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:32,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:32,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:32,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:32,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:32,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:32,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:32,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... [2020-11-22 12:56:32,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:32,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:32,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:32,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:32,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 [2020-11-22 12:56:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-22 12:56:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-22 12:56:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:56:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-22 12:56:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:56:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:46,229 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:46,229 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-22 12:56:46,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:46 BoogieIcfgContainer [2020-11-22 12:56:46,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:46,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:46,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:46,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:46,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:31" (1/3) ... [2020-11-22 12:56:46,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f80b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:46, skipping insertion in model container [2020-11-22 12:56:46,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:32" (2/3) ... [2020-11-22 12:56:46,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f80b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:46, skipping insertion in model container [2020-11-22 12:56:46,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:46" (3/3) ... [2020-11-22 12:56:46,256 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2020-11-22 12:56:46,267 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:46,272 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:46,286 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:46,310 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:46,310 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:46,310 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:46,310 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:46,310 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:46,310 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:46,311 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:46,311 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-22 12:56:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 12:56:46,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:46,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:46,330 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:46,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-22 12:56:46,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:46,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482115126] [2020-11-22 12:56:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 [2020-11-22 12:56:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:47,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:47,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:47,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:47,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482115126] [2020-11-22 12:56:47,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:47,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:47,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775991223] [2020-11-22 12:56:47,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:47,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:47,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:47,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:47,623 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-22 12:56:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:47,654 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-22 12:56:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:47,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-22 12:56:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:47,666 INFO L225 Difference]: With dead ends: 220 [2020-11-22 12:56:47,667 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 12:56:47,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:47,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 12:56:47,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-22 12:56:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-22 12:56:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-22 12:56:47,719 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-22 12:56:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:47,720 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-22 12:56:47,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-22 12:56:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 12:56:47,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:47,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:47,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:47,922 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:47,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:47,923 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-22 12:56:47,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:47,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693519958] [2020-11-22 12:56:47,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 [2020-11-22 12:56:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:49,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-22 12:56:49,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:49,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:49,383 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:56:49,560 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:56:49,695 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:56:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:49,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693519958] [2020-11-22 12:56:49,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:49,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-22 12:56:49,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029374872] [2020-11-22 12:56:49,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-22 12:56:49,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:49,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-22 12:56:49,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-22 12:56:49,778 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-11-22 12:56:50,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:50,304 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-11-22 12:56:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:56:50,311 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-22 12:56:50,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:50,311 INFO L225 Difference]: With dead ends: 114 [2020-11-22 12:56:50,312 INFO L226 Difference]: Without dead ends: 19 [2020-11-22 12:56:50,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-11-22 12:56:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-22 12:56:50,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-22 12:56:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-22 12:56:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-22 12:56:50,317 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-11-22 12:56:50,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:50,317 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-22 12:56:50,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-22 12:56:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-22 12:56:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:56:50,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:50,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:50,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:50,545 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:50,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2020-11-22 12:56:50,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:50,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055208308] [2020-11-22 12:56:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/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 [2020-11-22 12:56:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:51,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:56:51,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:51,791 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-22 12:56:51,971 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-22 12:56:52,159 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-22 12:56:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:52,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:53,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055208308] [2020-11-22 12:56:53,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:53,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-22 12:56:53,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617825085] [2020-11-22 12:56:53,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 12:56:53,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:53,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 12:56:53,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:56:53,423 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-11-22 12:56:53,836 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-22 12:56:54,185 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-22 12:56:54,565 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-11-22 12:56:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:54,565 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-22 12:56:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:56:54,565 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-11-22 12:56:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:54,566 INFO L225 Difference]: With dead ends: 19 [2020-11-22 12:56:54,566 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:56:54,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-22 12:56:54,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:56:54,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:56:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:56:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:56:54,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-22 12:56:54,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:54,568 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:56:54,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 12:56:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:56:54,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:54,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:54,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:55,148 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-22 12:56:55,157 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:55,157 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:55,157 INFO L277 CegarLoopResult]: At program point L235(lines 217 236) the Hoare annotation is: true [2020-11-22 12:56:55,157 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-22 12:56:55,157 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-22 12:56:55,157 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-22 12:56:55,157 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-22 12:56:55,158 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-22 12:56:55,159 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-22 12:56:55,160 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-22 12:56:55,160 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-22 12:56:55,161 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-22 12:56:55,161 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-22 12:56:55,161 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-22 12:56:55,161 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:55,162 INFO L270 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.lt (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)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (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)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= ULTIMATE.start_main_~x~0 .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= (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)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-22 12:56:55,162 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-22 12:56:55,163 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-22 12:56:55,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:55,165 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-22 12:56:55,165 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-22 12:56:55,165 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-22 12:56:55,165 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2020-11-22 12:56:55,165 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-22 12:56:55,165 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-22 12:56:55,165 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-22 12:56:55,167 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-22 12:56:55,167 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point L226(lines 226 233) no Hoare annotation was computed. [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:55,168 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-22 12:56:55,169 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-22 12:56:55,169 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-22 12:56:55,169 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-22 12:56:55,169 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-22 12:56:55,169 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-22 12:56:55,169 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-22 12:56:55,170 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= ULTIMATE.start_main_~x~0 .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= (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)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2020-11-22 12:56:55,170 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-22 12:56:55,170 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-22 12:56:55,170 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-22 12:56:55,170 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-22 12:56:55,170 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:55,171 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:55,171 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-22 12:56:55,171 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-22 12:56:55,171 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-22 12:56:55,171 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-22 12:56:55,171 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-22 12:56:55,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,190 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:55 BoogieIcfgContainer [2020-11-22 12:56:55,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:55,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:55,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:55,208 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:55,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:46" (3/4) ... [2020-11-22 12:56:55,212 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:55,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-22 12:56:55,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-22 12:56:55,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:55,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:55,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-22 12:56:55,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~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()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-22 12:56:55,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e454c85c-e835-4b15-bca5-d3418553fd08/bin/utaipan/witness.graphml [2020-11-22 12:56:55,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:55,309 INFO L168 Benchmark]: Toolchain (without parser) took 23665.57 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.7 MB in the beginning and 39.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,309 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.2 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:55,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.02 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.5 MB in the beginning and 61.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.64 ms. Allocated memory is still 79.7 MB. Free memory was 61.2 MB in the beginning and 57.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,310 INFO L168 Benchmark]: Boogie Preprocessor took 93.14 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 54.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,311 INFO L168 Benchmark]: RCFGBuilder took 14004.06 ms. Allocated memory is still 79.7 MB. Free memory was 54.1 MB in the beginning and 38.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,311 INFO L168 Benchmark]: TraceAbstraction took 8973.94 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 47.1 MB in the end (delta: -9.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,311 INFO L168 Benchmark]: Witness Printer took 99.61 ms. Allocated memory is still 79.7 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:55,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.2 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.02 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.5 MB in the beginning and 61.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.64 ms. Allocated memory is still 79.7 MB. Free memory was 61.2 MB in the beginning and 57.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.14 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 54.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14004.06 ms. Allocated memory is still 79.7 MB. Free memory was 54.1 MB in the beginning and 38.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8973.94 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 47.1 MB in the end (delta: -9.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Witness Printer took 99.61 ms. Allocated memory is still 79.7 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() 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 [2020-11-22 12:56:55,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - 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 [2020-11-22 12:56:55,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-11-22 12:56:55,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 12:56:55,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 12:56:55,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:55,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:55,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~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()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: 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: 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, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 116 SDslu, 78 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 189 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10945 SizeOfPredicates, 18 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...