./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/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 5349bb458784ba19bc39d74563667c25fb885b7f ...................................................................................................................................................................................................................................................................................................................................... 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_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/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 5349bb458784ba19bc39d74563667c25fb885b7f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 15:48:09,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 15:48:09,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 15:48:09,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 15:48:09,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 15:48:09,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 15:48:09,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 15:48:09,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 15:48:09,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 15:48:09,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 15:48:09,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 15:48:09,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 15:48:09,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 15:48:09,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 15:48:09,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 15:48:09,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 15:48:09,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 15:48:09,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 15:48:09,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 15:48:09,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 15:48:09,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 15:48:09,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 15:48:09,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 15:48:09,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 15:48:09,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 15:48:09,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 15:48:09,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 15:48:09,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 15:48:09,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 15:48:09,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 15:48:09,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 15:48:09,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 15:48:09,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 15:48:09,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 15:48:09,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 15:48:09,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 15:48:09,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 15:48:09,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 15:48:09,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 15:48:09,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 15:48:09,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 15:48:09,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 15:48:09,570 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 15:48:09,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 15:48:09,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 15:48:09,571 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 15:48:09,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 15:48:09,571 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 15:48:09,571 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 15:48:09,571 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 15:48:09,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 15:48:09,572 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 15:48:09,572 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 15:48:09,572 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 15:48:09,572 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 15:48:09,572 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 15:48:09,572 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 15:48:09,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 15:48:09,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 15:48:09,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 15:48:09,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:48:09,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 15:48:09,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 15:48:09,575 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_871b02f9-f76f-415c-aeb0-cbdd13a69633/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5349bb458784ba19bc39d74563667c25fb885b7f [2020-12-09 15:48:09,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 15:48:09,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 15:48:09,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 15:48:09,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 15:48:09,787 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 15:48:09,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2020-12-09 15:48:09,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/fe49e0fec/d2808811d4db48258553b2595cd6882a/FLAGae8e56968 [2020-12-09 15:48:10,198 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 15:48:10,198 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2020-12-09 15:48:10,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/fe49e0fec/d2808811d4db48258553b2595cd6882a/FLAGae8e56968 [2020-12-09 15:48:10,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/fe49e0fec/d2808811d4db48258553b2595cd6882a [2020-12-09 15:48:10,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 15:48:10,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 15:48:10,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 15:48:10,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 15:48:10,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 15:48:10,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1190344f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10, skipping insertion in model container [2020-12-09 15:48:10,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 15:48:10,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:48:10,399 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2020-12-09 15:48:10,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:48:10,412 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 15:48:10,454 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2020-12-09 15:48:10,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:48:10,472 INFO L208 MainTranslator]: Completed translation [2020-12-09 15:48:10,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10 WrapperNode [2020-12-09 15:48:10,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 15:48:10,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 15:48:10,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 15:48:10,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 15:48:10,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 15:48:10,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 15:48:10,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 15:48:10,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 15:48:10,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... [2020-12-09 15:48:10,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 15:48:10,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 15:48:10,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 15:48:10,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 15:48:10,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 15:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 15:48:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 15:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 15:48:11,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 15:48:11,212 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-09 15:48:11,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:48:11 BoogieIcfgContainer [2020-12-09 15:48:11,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 15:48:11,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 15:48:11,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 15:48:11,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 15:48:11,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:48:10" (1/3) ... [2020-12-09 15:48:11,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191ed730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:48:11, skipping insertion in model container [2020-12-09 15:48:11,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:10" (2/3) ... [2020-12-09 15:48:11,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191ed730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:48:11, skipping insertion in model container [2020-12-09 15:48:11,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:48:11" (3/3) ... [2020-12-09 15:48:11,220 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660a.c [2020-12-09 15:48:11,229 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 15:48:11,232 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 15:48:11,240 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 15:48:11,256 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 15:48:11,256 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 15:48:11,256 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 15:48:11,257 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 15:48:11,257 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 15:48:11,257 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 15:48:11,257 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 15:48:11,257 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 15:48:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-12-09 15:48:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 15:48:11,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:48:11,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:48:11,271 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:48:11,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:48:11,275 INFO L82 PathProgramCache]: Analyzing trace with hash -675502088, now seen corresponding path program 1 times [2020-12-09 15:48:11,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 15:48:11,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314596227] [2020-12-09 15:48:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 15:48:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:48:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:48:11,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314596227] [2020-12-09 15:48:11,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:48:11,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:48:11,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747526710] [2020-12-09 15:48:11,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 15:48:11,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 15:48:11,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 15:48:11,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 15:48:11,412 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-12-09 15:48:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:48:11,430 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2020-12-09 15:48:11,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 15:48:11,430 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 15:48:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:48:11,437 INFO L225 Difference]: With dead ends: 154 [2020-12-09 15:48:11,437 INFO L226 Difference]: Without dead ends: 75 [2020-12-09 15:48:11,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 15:48:11,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-09 15:48:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-09 15:48:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-09 15:48:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-12-09 15:48:11,467 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2020-12-09 15:48:11,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:48:11,468 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-12-09 15:48:11,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 15:48:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-09 15:48:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 15:48:11,469 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:48:11,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:48:11,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 15:48:11,469 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:48:11,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:48:11,470 INFO L82 PathProgramCache]: Analyzing trace with hash -804942975, now seen corresponding path program 1 times [2020-12-09 15:48:11,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 15:48:11,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206227543] [2020-12-09 15:48:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 15:48:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 15:48:11,541 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 15:48:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 15:48:11,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 15:48:11,596 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 15:48:11,597 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 15:48:11,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 15:48:11,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:48:11 BoogieIcfgContainer [2020-12-09 15:48:11,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 15:48:11,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 15:48:11,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 15:48:11,623 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 15:48:11,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:48:11" (3/4) ... [2020-12-09 15:48:11,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 15:48:11,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 15:48:11,627 INFO L168 Benchmark]: Toolchain (without parser) took 1405.19 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 61.5 MB in the beginning and 45.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-12-09 15:48:11,628 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 81.8 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:48:11,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.74 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 47.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 15:48:11,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.04 ms. Allocated memory is still 81.8 MB. Free memory was 47.5 MB in the beginning and 44.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:48:11,629 INFO L168 Benchmark]: Boogie Preprocessor took 48.82 ms. Allocated memory is still 81.8 MB. Free memory was 44.2 MB in the beginning and 41.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 15:48:11,630 INFO L168 Benchmark]: RCFGBuilder took 639.59 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 78.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-12-09 15:48:11,630 INFO L168 Benchmark]: TraceAbstraction took 407.64 ms. Allocated memory is still 102.8 MB. Free memory was 77.6 MB in the beginning and 46.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-09 15:48:11,631 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 102.8 MB. Free memory was 46.2 MB in the beginning and 45.7 MB in the end (delta: 444.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:48:11,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 81.8 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.74 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 47.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.04 ms. Allocated memory is still 81.8 MB. Free memory was 47.5 MB in the beginning and 44.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.82 ms. Allocated memory is still 81.8 MB. Free memory was 44.2 MB in the beginning and 41.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 639.59 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 78.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 407.64 ms. Allocated memory is still 102.8 MB. Free memory was 77.6 MB in the beginning and 46.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 2.81 ms. Allocated memory is still 102.8 MB. Free memory was 46.2 MB in the beginning and 45.7 MB in the end (delta: 444.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 232]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 219, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = -0.0f; VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] COND TRUE x < 0.0f && 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] [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi 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] [L232] reach_error() VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 15:48:13,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 15:48:13,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 15:48:13,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 15:48:13,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 15:48:13,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 15:48:13,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 15:48:13,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 15:48:13,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 15:48:13,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 15:48:13,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 15:48:13,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 15:48:13,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 15:48:13,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 15:48:13,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 15:48:13,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 15:48:13,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 15:48:13,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 15:48:13,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 15:48:13,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 15:48:13,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 15:48:13,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 15:48:13,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 15:48:13,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 15:48:13,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 15:48:13,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 15:48:13,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 15:48:13,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 15:48:13,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 15:48:13,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 15:48:13,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 15:48:13,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 15:48:13,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 15:48:13,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 15:48:13,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 15:48:13,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 15:48:13,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 15:48:13,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 15:48:13,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 15:48:13,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 15:48:13,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 15:48:13,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 15:48:13,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 15:48:13,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 15:48:13,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 15:48:13,409 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 15:48:13,410 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 15:48:13,410 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 15:48:13,410 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 15:48:13,410 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 15:48:13,410 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 15:48:13,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 15:48:13,411 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 15:48:13,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 15:48:13,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:48:13,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 15:48:13,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 15:48:13,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 15:48:13,414 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_871b02f9-f76f-415c-aeb0-cbdd13a69633/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5349bb458784ba19bc39d74563667c25fb885b7f [2020-12-09 15:48:13,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 15:48:13,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 15:48:13,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 15:48:13,653 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 15:48:13,654 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 15:48:13,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2020-12-09 15:48:13,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/b4a53a314/9150a01e6fd946c2ba0cf2fdf6226f89/FLAG9de92acc0 [2020-12-09 15:48:14,131 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 15:48:14,132 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2020-12-09 15:48:14,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/b4a53a314/9150a01e6fd946c2ba0cf2fdf6226f89/FLAG9de92acc0 [2020-12-09 15:48:14,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/data/b4a53a314/9150a01e6fd946c2ba0cf2fdf6226f89 [2020-12-09 15:48:14,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 15:48:14,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 15:48:14,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 15:48:14,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 15:48:14,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 15:48:14,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48551e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14, skipping insertion in model container [2020-12-09 15:48:14,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 15:48:14,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:48:14,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2020-12-09 15:48:14,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:48:14,329 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 15:48:14,369 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2020-12-09 15:48:14,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:48:14,387 INFO L208 MainTranslator]: Completed translation [2020-12-09 15:48:14,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14 WrapperNode [2020-12-09 15:48:14,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 15:48:14,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 15:48:14,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 15:48:14,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 15:48:14,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 15:48:14,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 15:48:14,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 15:48:14,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 15:48:14,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... [2020-12-09 15:48:14,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 15:48:14,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 15:48:14,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 15:48:14,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 15:48:14,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:48:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 15:48:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 15:48:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 15:48:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 15:48:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 15:48:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 15:48:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 15:48:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 15:48:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 15:48:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 15:48:46,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 15:48:46,599 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-09 15:48:46,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:48:46 BoogieIcfgContainer [2020-12-09 15:48:46,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 15:48:46,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 15:48:46,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 15:48:46,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 15:48:46,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:48:14" (1/3) ... [2020-12-09 15:48:46,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bce4a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:48:46, skipping insertion in model container [2020-12-09 15:48:46,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:48:14" (2/3) ... [2020-12-09 15:48:46,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bce4a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:48:46, skipping insertion in model container [2020-12-09 15:48:46,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:48:46" (3/3) ... [2020-12-09 15:48:46,606 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660a.c [2020-12-09 15:48:46,616 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 15:48:46,618 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 15:48:46,625 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 15:48:46,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 15:48:46,641 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 15:48:46,641 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 15:48:46,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 15:48:46,641 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 15:48:46,641 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 15:48:46,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 15:48:46,642 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 15:48:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-12-09 15:48:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 15:48:46,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:48:46,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:48:46,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:48:46,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:48:46,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-12-09 15:48:46,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:48:46,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291898213] [2020-12-09 15:48:46,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 15:48:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:48:47,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 15:48:47,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:48:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:48:47,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:48:47,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291898213] [2020-12-09 15:48:47,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:48:47,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:48:47,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262973583] [2020-12-09 15:48:47,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 15:48:47,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:48:47,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 15:48:47,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 15:48:47,524 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-12-09 15:48:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:48:47,543 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2020-12-09 15:48:47,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 15:48:47,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-09 15:48:47,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:48:47,551 INFO L225 Difference]: With dead ends: 219 [2020-12-09 15:48:47,551 INFO L226 Difference]: Without dead ends: 107 [2020-12-09 15:48:47,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 15:48:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-09 15:48:47,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-09 15:48:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-09 15:48:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-12-09 15:48:47,581 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-12-09 15:48:47,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:48:47,581 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-12-09 15:48:47,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 15:48:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-12-09 15:48:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 15:48:47,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:48:47,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:48:47,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 15:48:47,783 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:48:47,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:48:47,784 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-12-09 15:48:47,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:48:47,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143414588] [2020-12-09 15:48:47,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 15:48:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:48:48,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 15:48:48,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:48:48,787 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 15:48:48,788 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 15:48:48,855 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 15:48:48,858 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 15:48:48,858 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:33 [2020-12-09 15:48:49,073 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-12-09 15:48:49,075 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 15:48:49,118 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 15:48:49,120 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 15:48:49,123 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:25 [2020-12-09 15:48:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:48:49,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:48:49,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143414588] [2020-12-09 15:48:49,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:48:49,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 15:48:49,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088196042] [2020-12-09 15:48:49,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 15:48:49,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:48:49,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 15:48:49,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-09 15:48:49,386 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 8 states. [2020-12-09 15:48:50,796 WARN L197 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-09 15:49:10,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:49:10,062 INFO L93 Difference]: Finished difference Result 163 states and 235 transitions. [2020-12-09 15:49:10,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 15:49:10,091 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-12-09 15:49:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:49:10,092 INFO L225 Difference]: With dead ends: 163 [2020-12-09 15:49:10,093 INFO L226 Difference]: Without dead ends: 98 [2020-12-09 15:49:10,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-12-09 15:49:10,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-09 15:49:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-12-09 15:49:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-09 15:49:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2020-12-09 15:49:10,104 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 13 [2020-12-09 15:49:10,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:49:10,105 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2020-12-09 15:49:10,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 15:49:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2020-12-09 15:49:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 15:49:10,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:49:10,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:49:10,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 15:49:10,308 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:49:10,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:49:10,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1269233595, now seen corresponding path program 1 times [2020-12-09 15:49:10,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:49:10,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273465991] [2020-12-09 15:49:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 15:49:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:49:11,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 15:49:11,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:49:11,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:49:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:49:11,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:49:11,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273465991] [2020-12-09 15:49:11,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:49:11,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 15:49:11,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692891391] [2020-12-09 15:49:11,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 15:49:11,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:49:11,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 15:49:11,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:49:11,417 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand 7 states. [2020-12-09 15:49:13,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:49:13,215 INFO L93 Difference]: Finished difference Result 163 states and 223 transitions. [2020-12-09 15:49:13,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 15:49:13,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-12-09 15:49:13,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:49:13,218 INFO L225 Difference]: With dead ends: 163 [2020-12-09 15:49:13,218 INFO L226 Difference]: Without dead ends: 102 [2020-12-09 15:49:13,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-09 15:49:13,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-12-09 15:49:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2020-12-09 15:49:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-09 15:49:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2020-12-09 15:49:13,228 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 18 [2020-12-09 15:49:13,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:49:13,228 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2020-12-09 15:49:13,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 15:49:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2020-12-09 15:49:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 15:49:13,229 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:49:13,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:49:13,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 15:49:13,431 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:49:13,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:49:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1326491897, now seen corresponding path program 1 times [2020-12-09 15:49:13,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:49:13,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393361705] [2020-12-09 15:49:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 15:49:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:49:14,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 15:49:14,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:49:14,580 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-12-09 15:49:14,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:49:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:49:14,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:49:14,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393361705] [2020-12-09 15:49:14,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:49:14,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 15:49:14,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373549183] [2020-12-09 15:49:14,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 15:49:14,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:49:14,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 15:49:14,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:49:14,665 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand 7 states. [2020-12-09 15:49:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:49:15,721 INFO L93 Difference]: Finished difference Result 102 states and 136 transitions. [2020-12-09 15:49:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 15:49:15,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-12-09 15:49:15,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:49:15,723 INFO L225 Difference]: With dead ends: 102 [2020-12-09 15:49:15,724 INFO L226 Difference]: Without dead ends: 74 [2020-12-09 15:49:15,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-09 15:49:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-09 15:49:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-12-09 15:49:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-09 15:49:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2020-12-09 15:49:15,734 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 18 [2020-12-09 15:49:15,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:49:15,735 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2020-12-09 15:49:15,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 15:49:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2020-12-09 15:49:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 15:49:15,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:49:15,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:49:15,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 15:49:15,938 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:49:15,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:49:15,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1055279212, now seen corresponding path program 1 times [2020-12-09 15:49:15,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:49:15,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216520467] [2020-12-09 15:49:15,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 15:49:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:49:16,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:49:16,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:49:16,993 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-09 15:49:17,288 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-09 15:49:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:49:17,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:49:17,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216520467] [2020-12-09 15:49:17,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:49:17,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 15:49:17,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427540488] [2020-12-09 15:49:17,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 15:49:17,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:49:17,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 15:49:17,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 15:49:17,296 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand 5 states. [2020-12-09 15:49:17,853 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-09 15:49:18,347 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-09 15:49:35,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:49:35,107 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2020-12-09 15:49:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 15:49:35,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-12-09 15:49:35,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:49:35,115 INFO L225 Difference]: With dead ends: 95 [2020-12-09 15:49:35,115 INFO L226 Difference]: Without dead ends: 91 [2020-12-09 15:49:35,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 15:49:35,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-09 15:49:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 74. [2020-12-09 15:49:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-09 15:49:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2020-12-09 15:49:35,121 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 20 [2020-12-09 15:49:35,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:49:35,122 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2020-12-09 15:49:35,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 15:49:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2020-12-09 15:49:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 15:49:35,122 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:49:35,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:49:35,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 15:49:35,324 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:49:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:49:35,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1385254763, now seen corresponding path program 1 times [2020-12-09 15:49:35,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:49:35,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417205476] [2020-12-09 15:49:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 15:49:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:49:36,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 15:49:36,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:49:36,540 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 15:49:36,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:49:36,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:49:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:49:36,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:49:36,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417205476] [2020-12-09 15:49:36,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:49:36,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-09 15:49:36,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454790131] [2020-12-09 15:49:36,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 15:49:36,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:49:36,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 15:49:36,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-09 15:49:36,800 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand 9 states. [2020-12-09 15:49:37,457 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 15:49:37,756 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 15:49:37,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:49:37,758 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-12-09 15:49:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 15:49:37,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-09 15:49:37,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:49:37,759 INFO L225 Difference]: With dead ends: 74 [2020-12-09 15:49:37,759 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 15:49:37,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-09 15:49:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 15:49:37,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 15:49:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 15:49:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 15:49:37,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-09 15:49:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:49:37,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 15:49:37,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 15:49:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 15:49:37,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 15:49:37,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 15:49:37,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 15:49:38,450 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-09 15:49:39,008 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-09 15:49:39,047 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-09 15:49:39,047 INFO L262 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-12-09 15:49:39,047 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 15:49:39,047 INFO L262 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L258 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= currentRoundingMode roundNearestTiesToEven) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32))))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse0) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= (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)) .cse0))) [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-12-09 15:49:39,048 INFO L262 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-12-09 15:49:39,049 INFO L262 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L265 CegarLoopResult]: At program point L237(lines 217 238) the Hoare annotation is: true [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 15:49:39,050 INFO L262 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L258 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-12-09 15:49:39,051 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L262 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L262 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0))) [2020-12-09 15:49:39,052 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L262 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-12-09 15:49:39,052 INFO L258 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-12-09 15:49:39,052 INFO L258 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-12-09 15:49:39,052 INFO L258 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L226(lines 226 235) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point L226-2(lines 226 235) no Hoare annotation was computed. [2020-12-09 15:49:39,053 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-12-09 15:49:39,054 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L258 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L258 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-12-09 15:49:39,055 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= .cse0 ULTIMATE.start___ieee754_atan2f_~hx~1) (fp.lt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24))))) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse1) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse2) ULTIMATE.start___ieee754_atan2f_~ix~2) (fp.lt (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (_ +zero 8 24))))) (= ULTIMATE.start___ieee754_atan2f_~y .cse1))) [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 232) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-12-09 15:49:39,056 INFO L258 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-12-09 15:49:39,056 INFO L262 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L258 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-12-09 15:49:39,057 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-09 15:49:39,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,078 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:49:39 BoogieIcfgContainer [2020-12-09 15:49:39,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 15:49:39,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 15:49:39,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 15:49:39,088 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 15:49:39,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:48:46" (3/4) ... [2020-12-09 15:49:39,090 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 15:49:39,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-09 15:49:39,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 15:49:39,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 15:49:39,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 15:49:39,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32] == hx && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2020-12-09 15:49:39,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists v_arrayElimCell_1 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp.lt~FLOAT(~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]), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2020-12-09 15:49:39,152 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_871b02f9-f76f-415c-aeb0-cbdd13a69633/bin/utaipan/witness.graphml [2020-12-09 15:49:39,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 15:49:39,153 INFO L168 Benchmark]: Toolchain (without parser) took 85002.54 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 39.8 MB in the beginning and 54.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,153 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:49:39,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.47 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 40.5 MB in the end (delta: -935.4 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 37.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,154 INFO L168 Benchmark]: Boogie Preprocessor took 44.35 ms. Allocated memory is still 60.8 MB. Free memory was 37.0 MB in the beginning and 33.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,154 INFO L168 Benchmark]: RCFGBuilder took 32122.89 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 33.6 MB in the beginning and 40.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,155 INFO L168 Benchmark]: TraceAbstraction took 52486.01 ms. Allocated memory is still 81.8 MB. Free memory was 39.7 MB in the beginning and 61.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,155 INFO L168 Benchmark]: Witness Printer took 64.65 ms. Allocated memory is still 81.8 MB. Free memory was 61.4 MB in the beginning and 54.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 15:49:39,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 236.47 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 40.5 MB in the end (delta: -935.4 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 37.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.35 ms. Allocated memory is still 60.8 MB. Free memory was 37.0 MB in the beginning and 33.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 32122.89 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 33.6 MB in the beginning and 40.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52486.01 ms. Allocated memory is still 81.8 MB. Free memory was 39.7 MB in the beginning and 61.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * Witness Printer took 64.65 ms. Allocated memory is still 81.8 MB. Free memory was 61.4 MB in the beginning and 54.3 MB in the end (delta: 7.1 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[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 232]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-12-09 15:49:39,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-12-09 15:49:39,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 15:49:39,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32] == hx && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2020-12-09 15:49:39,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 15:49:39,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 15:49:39,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists v_arrayElimCell_1 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp.lt~FLOAT(~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]), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - 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, 111 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 42.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 556 SDtfs, 1349 SDslu, 711 SDs, 0 SdLazy, 251 SolverSat, 33 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 37.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 248 HoareAnnotationTreeSize, 15 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 99 ConstructedInterpolants, 15 QuantifiedInterpolants, 18633 SizeOfPredicates, 37 NumberOfNonLiveVariables, 708 ConjunctsInSsa, 52 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...