./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/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 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 .................................................................................................................................................................................................................................................................................................................................... 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_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/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 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:59,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:59,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:59,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:59,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:59,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:59,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:59,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:59,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:59,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:59,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:59,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:59,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:59,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:59,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:59,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:59,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:59,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:59,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:59,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:59,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:59,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:59,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:59,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:59,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:59,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:59,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:59,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:59,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:59,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:59,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:59,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:59,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:59,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:59,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:59,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:59,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:59,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:59,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:59,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:59,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:59,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:07:59,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:59,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:59,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:59,760 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:59,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:59,760 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:59,761 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:59,761 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:59,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:59,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:59,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:59,763 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:59,763 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:59,763 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:59,764 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:59,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:59,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:59,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:59,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:59,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:59,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:59,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:59,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:59,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:59,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:59,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:59,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:59,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:59,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:59,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:59,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:59,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:59,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:59,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:59,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:59,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:59,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:59,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:59,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:59,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:59,772 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_bfaf4177-a8ae-4841-8716-671e75877fc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 [2020-11-22 13:08:00,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:00,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:00,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:00,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:00,120 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:00,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-11-22 13:08:00,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/a6b8ccc71/e8b2bdf4d37e47ccb84fc6fe7e92e44a/FLAG563ab7025 [2020-11-22 13:08:00,740 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:00,740 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-11-22 13:08:00,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/a6b8ccc71/e8b2bdf4d37e47ccb84fc6fe7e92e44a/FLAG563ab7025 [2020-11-22 13:08:01,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/a6b8ccc71/e8b2bdf4d37e47ccb84fc6fe7e92e44a [2020-11-22 13:08:01,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:01,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:01,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:01,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:01,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:01,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b1d49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01, skipping insertion in model container [2020-11-22 13:08:01,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:01,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:01,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,345 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:01,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,413 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:01,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01 WrapperNode [2020-11-22 13:08:01,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:01,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:01,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:01,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:01,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:01,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:01,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:01,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:01,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:01,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:01,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:01,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:01,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:08:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 13:08:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:08:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 13:08:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 13:08:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-22 13:08:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:08:02,734 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:02,734 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-22 13:08:02,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:02 BoogieIcfgContainer [2020-11-22 13:08:02,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:02,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:02,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:02,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:02,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:01" (1/3) ... [2020-11-22 13:08:02,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fc6b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:02, skipping insertion in model container [2020-11-22 13:08:02,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (2/3) ... [2020-11-22 13:08:02,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fc6b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:02, skipping insertion in model container [2020-11-22 13:08:02,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:02" (3/3) ... [2020-11-22 13:08:02,748 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2020-11-22 13:08:02,764 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:02,769 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:08:02,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:08:02,817 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:02,817 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:02,817 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:02,817 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:02,818 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:02,818 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:02,818 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:02,818 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-11-22 13:08:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 13:08:02,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:02,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:02,843 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:02,849 INFO L82 PathProgramCache]: Analyzing trace with hash 131387620, now seen corresponding path program 1 times [2020-11-22 13:08:02,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:02,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707126162] [2020-11-22 13:08:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:03,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707126162] [2020-11-22 13:08:03,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:03,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:08:03,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517379747] [2020-11-22 13:08:03,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:03,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:03,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:03,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:03,026 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-11-22 13:08:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:03,051 INFO L93 Difference]: Finished difference Result 151 states and 259 transitions. [2020-11-22 13:08:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:03,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-22 13:08:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:03,062 INFO L225 Difference]: With dead ends: 151 [2020-11-22 13:08:03,062 INFO L226 Difference]: Without dead ends: 74 [2020-11-22 13:08:03,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:03,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-22 13:08:03,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-22 13:08:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-22 13:08:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2020-11-22 13:08:03,103 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 9 [2020-11-22 13:08:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:03,103 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2020-11-22 13:08:03,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2020-11-22 13:08:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 13:08:03,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:03,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:03,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:08:03,105 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:03,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:03,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1521953037, now seen corresponding path program 1 times [2020-11-22 13:08:03,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:03,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829690413] [2020-11-22 13:08:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:08:03,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:08:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:08:03,246 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:08:03,274 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:08:03,274 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:08:03,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:08:03,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:03 BoogieIcfgContainer [2020-11-22 13:08:03,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:03,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:03,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:03,310 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:03,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:02" (3/4) ... [2020-11-22 13:08:03,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:08:03,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:03,316 INFO L168 Benchmark]: Toolchain (without parser) took 2259.15 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 66.6 MB in the beginning and 83.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:03,316 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 53.0 MB in the beginning and 52.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:03,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.04 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 68.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:03,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.19 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 64.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:03,318 INFO L168 Benchmark]: Boogie Preprocessor took 70.83 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 61.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:03,319 INFO L168 Benchmark]: RCFGBuilder took 1185.89 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 61.9 MB in the beginning and 75.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:03,320 INFO L168 Benchmark]: TraceAbstraction took 570.64 ms. Allocated memory is still 117.4 MB. Free memory was 74.6 MB in the beginning and 83.3 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:03,320 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 117.4 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:03,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 53.0 MB in the beginning and 52.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.04 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 68.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.19 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 64.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.83 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 61.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1185.89 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 61.9 MB in the beginning and 75.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 570.64 ms. Allocated memory is still 117.4 MB. Free memory was 74.6 MB in the beginning and 83.3 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.00 ms. Allocated memory is still 117.4 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 223, 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; [L223] float x = -0.0f; [L224] float 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] [L226] float res = __ieee754_atan2f(y, x); [L229] 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] [L3] __assert_fail("0", "float_req_bl_0680b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 105 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=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:05,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:05,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:05,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:05,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:05,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:05,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:05,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:05,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:05,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:05,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:05,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:05,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:05,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:05,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:05,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:05,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:05,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:05,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:05,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:05,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:05,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:05,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:05,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:05,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:05,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:05,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:05,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:05,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:05,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:05,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:05,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:05,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:05,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:05,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:05,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:05,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:05,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:05,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:05,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:05,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:05,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:08:05,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:05,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:05,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:05,954 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:05,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:05,954 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:05,954 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:05,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:05,955 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:05,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:05,957 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:05,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:05,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:05,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:05,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:05,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:05,958 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:05,958 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:08:05,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:08:05,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:05,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:05,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:05,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:05,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:05,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:08:05,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:05,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:05,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:05,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:05,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:05,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:05,961 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:08:05,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:08:05,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:05,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:05,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:05,962 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_bfaf4177-a8ae-4841-8716-671e75877fc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 [2020-11-22 13:08:06,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:06,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:06,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:06,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:06,368 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:06,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-11-22 13:08:06,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/55bac9ca9/25d17a8038c143d6a471e6cd232094fc/FLAG93c73b123 [2020-11-22 13:08:07,059 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:07,060 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-11-22 13:08:07,068 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/55bac9ca9/25d17a8038c143d6a471e6cd232094fc/FLAG93c73b123 [2020-11-22 13:08:07,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/data/55bac9ca9/25d17a8038c143d6a471e6cd232094fc [2020-11-22 13:08:07,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:07,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:07,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:07,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:07,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:07,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549d73cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07, skipping insertion in model container [2020-11-22 13:08:07,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:07,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:07,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:07,372 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:07,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:07,524 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:07,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07 WrapperNode [2020-11-22 13:08:07,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:07,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:07,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:07,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:07,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:07,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:07,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:07,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:07,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... [2020-11-22 13:08:07,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:07,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:07,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:07,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:07,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-22 13:08:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:08:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-22 13:08:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 13:08:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-22 13:08:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 13:08:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:08:26,984 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:26,984 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-22 13:08:26,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:26 BoogieIcfgContainer [2020-11-22 13:08:26,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:26,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:26,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:26,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:26,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:07" (1/3) ... [2020-11-22 13:08:26,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adff172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:26, skipping insertion in model container [2020-11-22 13:08:26,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:07" (2/3) ... [2020-11-22 13:08:26,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adff172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:26, skipping insertion in model container [2020-11-22 13:08:26,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:26" (3/3) ... [2020-11-22 13:08:26,995 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2020-11-22 13:08:27,010 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:27,015 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:08:27,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:08:27,051 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:27,051 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:27,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:27,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:27,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:27,052 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:27,052 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:27,053 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-11-22 13:08:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 13:08:27,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:27,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:27,074 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:27,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-11-22 13:08:27,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:27,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065866236] [2020-11-22 13:08:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:28,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:08:28,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:28,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:28,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065866236] [2020-11-22 13:08:28,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:28,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:08:28,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763482182] [2020-11-22 13:08:28,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:28,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:28,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:28,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:28,179 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-11-22 13:08:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:28,208 INFO L93 Difference]: Finished difference Result 217 states and 363 transitions. [2020-11-22 13:08:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:28,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 13:08:28,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:28,220 INFO L225 Difference]: With dead ends: 217 [2020-11-22 13:08:28,221 INFO L226 Difference]: Without dead ends: 106 [2020-11-22 13:08:28,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:28,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-22 13:08:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-11-22 13:08:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-22 13:08:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-11-22 13:08:28,285 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-11-22 13:08:28,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:28,285 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-11-22 13:08:28,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-11-22 13:08:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 13:08:28,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:28,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:28,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:28,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:28,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:28,514 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-11-22 13:08:28,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:28,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021646388] [2020-11-22 13:08:28,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:29,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-22 13:08:29,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:29,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:29,900 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:08:30,058 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:08:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:30,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021646388] [2020-11-22 13:08:30,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:30,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-22 13:08:30,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623445819] [2020-11-22 13:08:30,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-22 13:08:30,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:30,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-22 13:08:30,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-22 13:08:30,202 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 12 states. [2020-11-22 13:08:30,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:30,576 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2020-11-22 13:08:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:08:30,581 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2020-11-22 13:08:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:30,582 INFO L225 Difference]: With dead ends: 113 [2020-11-22 13:08:30,582 INFO L226 Difference]: Without dead ends: 24 [2020-11-22 13:08:30,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:08:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-22 13:08:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-22 13:08:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-22 13:08:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-11-22 13:08:30,587 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2020-11-22 13:08:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:30,587 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-22 13:08:30,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-22 13:08:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-22 13:08:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:08:30,588 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:30,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:30,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:08:30,789 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:30,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:30,790 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2020-11-22 13:08:30,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:30,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119212341] [2020-11-22 13:08:30,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:31,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-22 13:08:31,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:31,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:31,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:32,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119212341] [2020-11-22 13:08:32,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:32,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-22 13:08:32,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222348424] [2020-11-22 13:08:32,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 13:08:32,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:32,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 13:08:32,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:08:32,085 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2020-11-22 13:08:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:32,345 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-11-22 13:08:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:08:32,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-22 13:08:32,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:32,350 INFO L225 Difference]: With dead ends: 36 [2020-11-22 13:08:32,350 INFO L226 Difference]: Without dead ends: 24 [2020-11-22 13:08:32,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-22 13:08:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-22 13:08:32,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-22 13:08:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-22 13:08:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-11-22 13:08:32,354 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2020-11-22 13:08:32,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:32,355 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-11-22 13:08:32,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 13:08:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-22 13:08:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:08:32,356 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:32,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:32,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:08:32,561 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:32,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:32,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2020-11-22 13:08:32,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:32,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218153669] [2020-11-22 13:08:32,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/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 [2020-11-22 13:08:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:33,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-22 13:08:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:33,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:33,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:33,844 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:08:33,905 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 13:08:33,983 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 13:08:34,207 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-22 13:08:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:34,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218153669] [2020-11-22 13:08:34,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:34,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2020-11-22 13:08:34,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802388259] [2020-11-22 13:08:34,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-22 13:08:34,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:34,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-22 13:08:34,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-11-22 13:08:34,384 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 14 states. [2020-11-22 13:08:34,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:34,782 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-11-22 13:08:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:08:34,787 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-22 13:08:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:34,787 INFO L225 Difference]: With dead ends: 28 [2020-11-22 13:08:34,788 INFO L226 Difference]: Without dead ends: 24 [2020-11-22 13:08:34,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-11-22 13:08:34,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-22 13:08:34,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-22 13:08:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-22 13:08:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-11-22 13:08:34,792 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2020-11-22 13:08:34,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:34,792 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-11-22 13:08:34,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-22 13:08:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-11-22 13:08:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:08:34,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:34,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:34,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:08:34,999 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:35,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:35,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2020-11-22 13:08:35,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:35,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497468851] [2020-11-22 13:08:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/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 [2020-11-22 13:08:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:36,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-22 13:08:36,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:36,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:37,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497468851] [2020-11-22 13:08:37,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:37,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:08:37,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160821885] [2020-11-22 13:08:37,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:37,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:37,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:37,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:37,081 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 8 states. [2020-11-22 13:08:37,364 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-22 13:08:37,707 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-11-22 13:08:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:37,776 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-11-22 13:08:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:37,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-11-22 13:08:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:37,777 INFO L225 Difference]: With dead ends: 28 [2020-11-22 13:08:37,777 INFO L226 Difference]: Without dead ends: 24 [2020-11-22 13:08:37,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:08:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-22 13:08:37,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-22 13:08:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-22 13:08:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2020-11-22 13:08:37,781 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2020-11-22 13:08:37,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:37,781 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2020-11-22 13:08:37,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2020-11-22 13:08:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:08:37,782 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:37,782 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] [2020-11-22 13:08:37,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:08:37,989 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:37,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:37,989 INFO L82 PathProgramCache]: Analyzing trace with hash -984474140, now seen corresponding path program 1 times [2020-11-22 13:08:37,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:37,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504878380] [2020-11-22 13:08:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/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 [2020-11-22 13:08:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:39,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-22 13:08:39,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:39,122 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:39,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:39,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504878380] [2020-11-22 13:08:39,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:39,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-11-22 13:08:39,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858749744] [2020-11-22 13:08:39,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-22 13:08:39,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:39,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-22 13:08:39,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:08:39,345 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 11 states. [2020-11-22 13:08:39,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:39,538 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-11-22 13:08:39,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:08:39,538 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-11-22 13:08:39,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:39,538 INFO L225 Difference]: With dead ends: 24 [2020-11-22 13:08:39,538 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:08:39,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-11-22 13:08:39,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:08:39,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:08:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:08:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:08:39,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-22 13:08:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:39,540 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:08:39,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-22 13:08:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:08:39,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:08:39,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:08:39,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:08:40,250 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-11-22 13:08:40,259 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-22 13:08:40,259 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-22 13:08:40,259 INFO L277 CegarLoopResult]: At program point L234(lines 216 235) the Hoare annotation is: true [2020-11-22 13:08:40,259 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:08:40,259 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:08:40,259 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:08:40,259 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-22 13:08:40,260 INFO L270 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (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 ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (let ((.cse1 (fp.neg (_ +zero 8 24)))) (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 ((_ 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)) .cse1) (= (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)) .cse1)))) (= (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))) [2020-11-22 13:08:40,260 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-22 13:08:40,260 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-22 13:08:40,260 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-22 13:08:40,260 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-22 13:08:40,260 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-22 13:08:40,260 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-22 13:08:40,261 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-22 13:08:40,262 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-22 13:08:40,263 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-22 13:08:40,263 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L270 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) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0))) [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-22 13:08:40,264 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-22 13:08:40,265 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-22 13:08:40,265 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-22 13:08:40,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-22 13:08:40,266 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-22 13:08:40,267 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-22 13:08:40,267 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) 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) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0))) [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-22 13:08:40,268 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-22 13:08:40,269 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-22 13:08:40,270 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-22 13:08:40,270 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-22 13:08:40,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,302 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,302 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,302 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,302 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,304 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,304 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,307 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,307 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,308 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,308 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,318 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:40 BoogieIcfgContainer [2020-11-22 13:08:40,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:40,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:40,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:40,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:40,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:26" (3/4) ... [2020-11-22 13:08:40,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:08:40,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-22 13:08:40,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-22 13:08:40,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:40,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:40,430 WARN L221 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) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2020-11-22 13:08:40,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\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~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\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~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~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.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()) [2020-11-22 13:08:40,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bfaf4177-a8ae-4841-8716-671e75877fc5/bin/utaipan/witness.graphml [2020-11-22 13:08:40,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:40,532 INFO L168 Benchmark]: Toolchain (without parser) took 33447.43 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.8 MB in the beginning and 37.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,533 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 37.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:40,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.53 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.6 MB in the beginning and 42.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.87 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 38.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,534 INFO L168 Benchmark]: Boogie Preprocessor took 85.44 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 35.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,534 INFO L168 Benchmark]: RCFGBuilder took 19271.47 ms. Allocated memory is still 62.9 MB. Free memory was 34.9 MB in the beginning and 26.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,537 INFO L168 Benchmark]: TraceAbstraction took 13371.89 ms. Allocated memory is still 62.9 MB. Free memory was 25.5 MB in the beginning and 21.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,538 INFO L168 Benchmark]: Witness Printer took 170.43 ms. Allocated memory is still 62.9 MB. Free memory was 21.8 MB in the beginning and 37.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:40,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 37.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.53 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.6 MB in the beginning and 42.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.87 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 38.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.44 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 35.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19271.47 ms. Allocated memory is still 62.9 MB. Free memory was 34.9 MB in the beginning and 26.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13371.89 ms. Allocated memory is still 62.9 MB. Free memory was 25.5 MB in the beginning and 21.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Witness Printer took 170.43 ms. Allocated memory is still 62.9 MB. Free memory was 21.8 MB in the beginning and 37.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 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[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 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 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-11-22 13:08:40,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~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: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-11-22 13:08:40,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-11-22 13:08:40,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-22 13:08:40,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-22 13:08:40,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:40,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:40,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\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~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\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~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~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.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, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 230 SDtfs, 358 SDslu, 135 SDs, 0 SdLazy, 146 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 138 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 217 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 34 QuantifiedInterpolants, 42052 SizeOfPredicates, 48 NumberOfNonLiveVariables, 716 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...