./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_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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 [2020-11-30 01:59:50,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:59:50,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:59:50,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:59:50,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:59:50,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:59:51,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:59:51,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:59:51,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:59:51,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:59:51,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:59:51,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:59:51,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:59:51,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:59:51,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:59:51,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:59:51,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:59:51,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:59:51,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:59:51,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:59:51,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:59:51,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:59:51,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:59:51,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:59:51,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:59:51,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:59:51,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:59:51,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:59:51,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:59:51,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:59:51,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:59:51,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:59:51,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:59:51,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:59:51,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:59:51,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:59:51,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:59:51,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:59:51,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:59:51,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:59:51,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:59:51,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 01:59:51,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:59:51,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:59:51,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:59:51,139 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:59:51,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:59:51,139 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:59:51,140 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:59:51,140 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:59:51,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:59:51,140 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:59:51,142 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:59:51,143 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:59:51,143 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:59:51,143 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:59:51,143 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:59:51,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:59:51,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:59:51,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:59:51,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:59:51,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:59:51,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:59:51,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:59:51,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:59:51,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:59:51,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:59:51,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:59:51,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:59:51,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:59:51,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:59:51,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:59:51,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:59:51,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:59:51,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:59:51,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:59:51,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:59:51,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:59:51,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:59:51,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:59:51,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:59:51,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:59:51,154 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_56e35110-12da-4b8c-85c6-e365253138a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deefefc900cdd5c5e1514b917a5b248369155e1c [2020-11-30 01:59:51,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:59:51,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:59:51,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:59:51,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:59:51,510 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:59:51,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-30 01:59:51,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/5e08e8e5c/04e0b884e3da48dab634a5b845f3a9d4/FLAG301a9fe77 [2020-11-30 01:59:52,178 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:59:52,180 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-30 01:59:52,188 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/5e08e8e5c/04e0b884e3da48dab634a5b845f3a9d4/FLAG301a9fe77 [2020-11-30 01:59:52,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/5e08e8e5c/04e0b884e3da48dab634a5b845f3a9d4 [2020-11-30 01:59:52,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:59:52,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:59:52,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:59:52,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:59:52,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:59:52,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:52,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7798fed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52, skipping insertion in model container [2020-11-30 01:59:52,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:52,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:59:52,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:59:52,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:59:52,895 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:59:52,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:59:52,971 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:59:52,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52 WrapperNode [2020-11-30 01:59:52,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:59:52,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:59:52,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:59:52,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:59:52,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:59:53,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:59:53,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:59:53,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:59:53,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... [2020-11-30 01:59:53,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:59:53,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:59:53,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:59:53,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:59:53,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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 [2020-11-30 01:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:59:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:59:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:59:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:59:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:59:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:59:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:59:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 01:59:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:59:54,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:59:54,567 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-30 01:59:54,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:59:54 BoogieIcfgContainer [2020-11-30 01:59:54,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:59:54,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:59:54,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:59:54,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:59:54,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:59:52" (1/3) ... [2020-11-30 01:59:54,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:59:54, skipping insertion in model container [2020-11-30 01:59:54,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:52" (2/3) ... [2020-11-30 01:59:54,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:59:54, skipping insertion in model container [2020-11-30 01:59:54,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:59:54" (3/3) ... [2020-11-30 01:59:54,582 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2020-11-30 01:59:54,594 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:59:54,599 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:59:54,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:59:54,651 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:59:54,652 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:59:54,652 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:59:54,652 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:59:54,652 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:59:54,653 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:59:54,653 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:59:54,653 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:59:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-30 01:59:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:59:54,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:59:54,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:59:54,675 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:59:54,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:59:54,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1068529098, now seen corresponding path program 1 times [2020-11-30 01:59:54,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:59:54,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467051470] [2020-11-30 01:59:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:59:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:59:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:59:54,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467051470] [2020-11-30 01:59:54,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:59:54,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:59:54,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645806737] [2020-11-30 01:59:54,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:59:54,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:59:54,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:59:54,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:59:54,874 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-30 01:59:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:59:54,897 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2020-11-30 01:59:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:59:54,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 01:59:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:59:54,909 INFO L225 Difference]: With dead ends: 154 [2020-11-30 01:59:54,910 INFO L226 Difference]: Without dead ends: 75 [2020-11-30 01:59:54,913 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 [2020-11-30 01:59:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-30 01:59:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-30 01:59:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 01:59:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-30 01:59:54,953 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2020-11-30 01:59:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:59:54,954 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-30 01:59:54,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:59:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-30 01:59:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:59:54,954 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:59:54,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:59:54,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:59:54,955 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:59:54,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:59:54,956 INFO L82 PathProgramCache]: Analyzing trace with hash -546777537, now seen corresponding path program 1 times [2020-11-30 01:59:54,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:59:54,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571947662] [2020-11-30 01:59:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:59:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:59:55,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:59:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:59:55,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:59:55,252 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 01:59:55,252 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:59:55,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:59:55,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:59:55 BoogieIcfgContainer [2020-11-30 01:59:55,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:59:55,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:59:55,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:59:55,305 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:59:55,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:59:54" (3/4) ... [2020-11-30 01:59:55,310 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:59:55,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:59:55,313 INFO L168 Benchmark]: Toolchain (without parser) took 2812.06 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 72.4 MB in the beginning and 74.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:59:55,314 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:59:55,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.23 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 71.5 MB in the end (delta: 677.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:59:55,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.13 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 68.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:59:55,317 INFO L168 Benchmark]: Boogie Preprocessor took 72.42 ms. Allocated memory is still 98.6 MB. Free memory was 68.2 MB in the beginning and 65.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:59:55,318 INFO L168 Benchmark]: RCFGBuilder took 1448.75 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 37.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:59:55,319 INFO L168 Benchmark]: TraceAbstraction took 731.40 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 36.7 MB in the beginning and 75.6 MB in the end (delta: -39.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:59:55,320 INFO L168 Benchmark]: Witness Printer took 6.28 ms. Allocated memory is still 130.0 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:59:55,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 461.23 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 71.5 MB in the end (delta: 677.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.13 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 68.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.42 ms. Allocated memory is still 98.6 MB. Free memory was 68.2 MB in the beginning and 65.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1448.75 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 37.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 731.40 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 36.7 MB in the beginning and 75.6 MB in the end (delta: -39.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.28 ms. Allocated memory is still 130.0 MB. Free memory is still 74.8 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 [2020-11-30 01:59:58,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:59:58,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:59:58,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:59:58,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:59:58,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:59:58,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:59:58,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:59:58,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:59:58,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:59:58,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:59:58,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:59:58,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:59:58,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:59:58,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:59:58,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:59:58,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:59:58,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:59:58,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:59:58,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:59:58,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:59:58,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:59:58,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:59:58,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:59:58,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:59:58,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:59:58,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:59:58,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:59:58,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:59:58,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:59:58,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:59:58,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:59:58,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:59:58,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:59:58,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:59:58,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:59:58,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:59:58,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:59:58,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:59:58,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:59:58,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:59:58,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 01:59:58,418 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:59:58,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:59:58,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:59:58,422 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:59:58,422 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:59:58,423 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:59:58,423 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:59:58,423 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:59:58,423 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:59:58,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:59:58,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:59:58,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:59:58,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:59:58,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:59:58,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:59:58,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:59:58,428 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:59:58,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:59:58,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:59:58,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:59:58,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:59:58,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:59:58,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:59:58,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:59:58,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:59:58,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:59:58,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:59:58,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:59:58,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:59:58,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:59:58,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:59:58,432 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:59:58,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:59:58,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:59:58,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:59:58,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:59:58,434 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_56e35110-12da-4b8c-85c6-e365253138a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deefefc900cdd5c5e1514b917a5b248369155e1c [2020-11-30 01:59:58,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:59:58,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:59:58,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:59:58,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:59:58,926 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:59:58,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-30 01:59:59,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/e44f0fe3c/0e36a66fa9434b039f184bff21d2f995/FLAG37efa350d [2020-11-30 01:59:59,591 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:59:59,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2020-11-30 01:59:59,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/e44f0fe3c/0e36a66fa9434b039f184bff21d2f995/FLAG37efa350d [2020-11-30 01:59:59,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/data/e44f0fe3c/0e36a66fa9434b039f184bff21d2f995 [2020-11-30 01:59:59,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:59:59,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:59:59,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:59:59,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:59:59,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:59:59,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:59:59" (1/1) ... [2020-11-30 01:59:59,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df157e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:59:59, skipping insertion in model container [2020-11-30 01:59:59,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:59:59" (1/1) ... [2020-11-30 01:59:59,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:00:00,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:00:00,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:00,347 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:00:00,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:00,458 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:00:00,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00 WrapperNode [2020-11-30 02:00:00,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:00,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:00,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:00:00,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:00:00,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:00,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:00:00,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:00:00,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:00:00,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... [2020-11-30 02:00:00,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:00:00,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:00:00,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:00:00,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:00:00,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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 [2020-11-30 02:00:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 02:00:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:00:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:00:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 02:00:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 02:00:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:00:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:00:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 02:00:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 02:00:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:00:19,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:00:19,407 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-30 02:00:19,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:19 BoogieIcfgContainer [2020-11-30 02:00:19,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:00:19,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:00:19,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:00:19,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:00:19,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:59:59" (1/3) ... [2020-11-30 02:00:19,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac87d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:19, skipping insertion in model container [2020-11-30 02:00:19,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:00" (2/3) ... [2020-11-30 02:00:19,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac87d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:19, skipping insertion in model container [2020-11-30 02:00:19,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:19" (3/3) ... [2020-11-30 02:00:19,421 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2020-11-30 02:00:19,435 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:00:19,444 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:00:19,466 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:00:19,495 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:00:19,496 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:00:19,496 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:00:19,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:00:19,496 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:00:19,496 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:00:19,496 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:00:19,497 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:00:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-30 02:00:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 02:00:19,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:19,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:00:19,520 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:19,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:19,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-30 02:00:19,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:00:19,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070039071] [2020-11-30 02:00:19,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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 [2020-11-30 02:00:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:00:20,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:00:20,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:00:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:20,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:00:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:20,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070039071] [2020-11-30 02:00:20,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:00:20,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:00:20,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992525670] [2020-11-30 02:00:20,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:00:20,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:00:20,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:00:20,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:00:20,849 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-30 02:00:20,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:00:20,920 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-30 02:00:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:00:20,921 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 02:00:20,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:00:20,935 INFO L225 Difference]: With dead ends: 220 [2020-11-30 02:00:20,935 INFO L226 Difference]: Without dead ends: 107 [2020-11-30 02:00:20,939 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 [2020-11-30 02:00:20,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-30 02:00:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-30 02:00:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-30 02:00:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-30 02:00:20,990 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-30 02:00:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:00:20,990 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-30 02:00:20,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:00:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-30 02:00:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 02:00:20,991 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:20,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:00:21,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:00:21,217 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:21,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:21,218 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-30 02:00:21,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:00:21,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827542317] [2020-11-30 02:00:21,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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 [2020-11-30 02:00:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:00:22,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 02:00:22,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:00:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:22,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:00:22,806 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:00:22,981 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:00:23,111 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:00:23,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:23,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827542317] [2020-11-30 02:00:23,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:00:23,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-30 02:00:23,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136403590] [2020-11-30 02:00:23,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 02:00:23,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:00:23,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 02:00:23,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-30 02:00:23,210 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-11-30 02:00:24,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:00:24,685 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-11-30 02:00:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:00:24,690 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-30 02:00:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:00:24,691 INFO L225 Difference]: With dead ends: 114 [2020-11-30 02:00:24,692 INFO L226 Difference]: Without dead ends: 19 [2020-11-30 02:00:24,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-11-30 02:00:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-30 02:00:24,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 02:00:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 02:00:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-30 02:00:24,705 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-11-30 02:00:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:00:24,705 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-30 02:00:24,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 02:00:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-30 02:00:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 02:00:24,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:24,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:00:24,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:00:24,920 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:24,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:24,921 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2020-11-30 02:00:24,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:00:24,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637544558] [2020-11-30 02:00:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/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 [2020-11-30 02:00:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:00:26,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 02:00:26,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:00:26,554 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-30 02:00:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:26,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:00:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:28,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637544558] [2020-11-30 02:00:28,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:00:28,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-30 02:00:28,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719231741] [2020-11-30 02:00:28,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 02:00:28,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:00:28,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 02:00:28,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:00:28,035 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-11-30 02:00:28,730 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-30 02:00:29,113 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-30 02:00:29,488 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-11-30 02:00:29,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:00:29,495 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-30 02:00:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:00:29,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-11-30 02:00:29,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:00:29,496 INFO L225 Difference]: With dead ends: 19 [2020-11-30 02:00:29,496 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:00:29,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:00:29,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:00:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:00:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:00:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:00:29,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-30 02:00:29,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:00:29,497 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:00:29,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 02:00:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:00:29,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:00:29,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 02:00:29,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:00:30,168 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-30 02:00:30,179 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:00:30,179 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L277 CegarLoopResult]: At program point L235(lines 217 236) the Hoare annotation is: true [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-30 02:00:30,180 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-30 02:00:30,181 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 02:00:30,182 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-30 02:00:30,183 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-30 02:00:30,183 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-30 02:00:30,184 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-30 02:00:30,184 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-30 02:00:30,184 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-30 02:00:30,184 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 02:00:30,184 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 02:00:30,188 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-30 02:00:30,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:00:30,190 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))) [2020-11-30 02:00:30,190 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-30 02:00:30,191 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-30 02:00:30,191 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-30 02:00:30,192 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-30 02:00:30,192 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-30 02:00:30,192 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-30 02:00:30,193 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-30 02:00:30,193 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-30 02:00:30,193 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-30 02:00:30,195 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-30 02:00:30,195 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-30 02:00:30,197 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-30 02:00:30,197 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-30 02:00:30,201 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-30 02:00:30,201 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 02:00:30,201 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-30 02:00:30,202 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-30 02:00:30,202 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-30 02:00:30,202 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-30 02:00:30,202 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-30 02:00:30,202 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-30 02:00:30,202 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-30 02:00:30,203 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-30 02:00:30,203 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-30 02:00:30,203 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:00:30,203 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-30 02:00:30,203 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-30 02:00:30,204 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-30 02:00:30,204 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))) [2020-11-30 02:00:30,204 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-30 02:00:30,204 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-30 02:00:30,204 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-30 02:00:30,205 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-30 02:00:30,205 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-30 02:00:30,210 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-30 02:00:30,210 INFO L274 CegarLoopResult]: For program point L226(lines 226 233) no Hoare annotation was computed. [2020-11-30 02:00:30,210 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-30 02:00:30,211 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 02:00:30,211 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2020-11-30 02:00:30,211 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:00:30,211 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 02:00:30,211 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-30 02:00:30,211 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-30 02:00:30,212 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-30 02:00:30,214 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-30 02:00:30,214 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 02:00:30,214 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-30 02:00:30,215 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))) [2020-11-30 02:00:30,215 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-30 02:00:30,215 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-30 02:00:30,215 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-30 02:00:30,215 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 02:00:30,216 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:00:30,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:00:30,216 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-30 02:00:30,216 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-30 02:00:30,216 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-30 02:00:30,217 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-30 02:00:30,217 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 02:00:30,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:00:30 BoogieIcfgContainer [2020-11-30 02:00:30,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:00:30,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:00:30,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:00:30,303 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:00:30,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:19" (3/4) ... [2020-11-30 02:00:30,307 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:00:30,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-30 02:00:30,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 02:00:30,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:00:30,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:00:30,376 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 [2020-11-30 02:00:30,377 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 [2020-11-30 02:00:30,470 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_56e35110-12da-4b8c-85c6-e365253138a5/bin/utaipan/witness.graphml [2020-11-30 02:00:30,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:00:30,471 INFO L168 Benchmark]: Toolchain (without parser) took 30501.90 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.9 MB in the beginning and 40.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,473 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:30,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.11 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 54.9 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.11 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 31.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,475 INFO L168 Benchmark]: Boogie Preprocessor took 75.35 ms. Allocated memory is still 56.6 MB. Free memory was 30.9 MB in the beginning and 27.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,475 INFO L168 Benchmark]: RCFGBuilder took 18807.97 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 32.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,476 INFO L168 Benchmark]: TraceAbstraction took 10889.73 ms. Allocated memory is still 69.2 MB. Free memory was 31.8 MB in the beginning and 48.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,476 INFO L168 Benchmark]: Witness Printer took 168.09 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 40.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:30,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.11 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 54.9 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.11 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 31.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.35 ms. Allocated memory is still 56.6 MB. Free memory was 30.9 MB in the beginning and 27.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 18807.97 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 32.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10889.73 ms. Allocated memory is still 69.2 MB. Free memory was 31.8 MB in the beginning and 48.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 168.09 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 40.4 MB in the end (delta: 7.9 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 [2020-11-30 02:00:30,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,498 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 [2020-11-30 02:00:30,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,507 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 [2020-11-30 02:00:30,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,512 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,513 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,513 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,517 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-30 02:00:30,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,519 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:00:30,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:00:30,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:00:30,520 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: 10.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 116 SDslu, 78 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.0s 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, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 3.1s 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...