./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.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_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a1972a972d8f4e56aa3380dfc11b762fbf2f5f6 ........................................................................................................................................................................................................................................................................................................ 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_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a1972a972d8f4e56aa3380dfc11b762fbf2f5f6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:19,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:19,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:19,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:19,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:19,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:19,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:19,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:19,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:19,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:19,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:19,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:19,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:19,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:19,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:19,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:19,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:19,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:19,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:19,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:19,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:19,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:19,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:19,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:19,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:19,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:19,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:19,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:19,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:19,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:19,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:19,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:19,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:19,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:19,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:19,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:19,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:19,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:19,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:19,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:19,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:19,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:19,684 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:19,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:19,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:19,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:19,686 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:19,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:19,687 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:19,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:19,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:19,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:19,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:19,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:19,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:19,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:19,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:19,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:19,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:19,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:19,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:19,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:19,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:19,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:19,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:19,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:19,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:19,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:19,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:19,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:19,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:19,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a1972a972d8f4e56aa3380dfc11b762fbf2f5f6 [2020-11-28 03:20:19,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:20,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:20,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:20,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:20,008 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:20,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2020-11-28 03:20:20,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/bb56325c1/28687e061d974ad0ac7cfa89a1113a34/FLAG1a94af436 [2020-11-28 03:20:20,517 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:20,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2020-11-28 03:20:20,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/bb56325c1/28687e061d974ad0ac7cfa89a1113a34/FLAG1a94af436 [2020-11-28 03:20:20,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/bb56325c1/28687e061d974ad0ac7cfa89a1113a34 [2020-11-28 03:20:20,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:20,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:20,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:20,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:20,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:20,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:20" (1/1) ... [2020-11-28 03:20:20,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5733b673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:20, skipping insertion in model container [2020-11-28 03:20:20,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:20" (1/1) ... [2020-11-28 03:20:20,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:20,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:21,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:21,179 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:21,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:21,237 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:21,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21 WrapperNode [2020-11-28 03:20:21,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:21,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:21,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:21,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:21,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:21,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:21,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:21,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:21,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:21,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:21,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:21,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:21,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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 [2020-11-28 03:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 03:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 03:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:20:22,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:22,114 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 03:20:22,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:22 BoogieIcfgContainer [2020-11-28 03:20:22,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:22,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:22,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:22,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:20" (1/3) ... [2020-11-28 03:20:22,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11862e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:22, skipping insertion in model container [2020-11-28 03:20:22,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (2/3) ... [2020-11-28 03:20:22,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11862e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:22, skipping insertion in model container [2020-11-28 03:20:22,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:22" (3/3) ... [2020-11-28 03:20:22,125 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490b.c [2020-11-28 03:20:22,136 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:22,141 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:20:22,153 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:20:22,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:22,178 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:22,178 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:22,178 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:22,178 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:22,179 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:22,179 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:22,179 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-11-28 03:20:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:20:22,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:22,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,199 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:22,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2020-11-28 03:20:22,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401212932] [2020-11-28 03:20:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:22,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401212932] [2020-11-28 03:20:22,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:22,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:22,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809937173] [2020-11-28 03:20:22,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:20:22,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:22,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:20:22,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:20:22,363 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2020-11-28 03:20:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:22,386 INFO L93 Difference]: Finished difference Result 143 states and 235 transitions. [2020-11-28 03:20:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:20:22,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:20:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:22,396 INFO L225 Difference]: With dead ends: 143 [2020-11-28 03:20:22,396 INFO L226 Difference]: Without dead ends: 69 [2020-11-28 03:20:22,399 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 [2020-11-28 03:20:22,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-28 03:20:22,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-28 03:20:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:20:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2020-11-28 03:20:22,460 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2020-11-28 03:20:22,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:22,460 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2020-11-28 03:20:22,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:20:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-11-28 03:20:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:20:22,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:22,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:22,462 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:22,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2020-11-28 03:20:22,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855595263] [2020-11-28 03:20:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:22,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:22,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:22,650 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:22,656 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:20:22,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:22,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:22 BoogieIcfgContainer [2020-11-28 03:20:22,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:22,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:22,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:22,731 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:22,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:22" (3/4) ... [2020-11-28 03:20:22,735 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:20:22,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:22,739 INFO L168 Benchmark]: Toolchain (without parser) took 1827.37 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 54.9 MB in the beginning and 81.8 MB in the end (delta: -26.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:22,739 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory was 71.1 MB in the beginning and 71.1 MB in the end (delta: 52.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:22,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.01 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 65.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:22,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.79 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 63.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:22,742 INFO L168 Benchmark]: Boogie Preprocessor took 43.20 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 60.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:22,742 INFO L168 Benchmark]: RCFGBuilder took 775.81 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 60.9 MB in the beginning and 72.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:22,743 INFO L168 Benchmark]: TraceAbstraction took 611.60 ms. Allocated memory is still 115.3 MB. Free memory was 72.2 MB in the beginning and 81.8 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:22,743 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 115.3 MB. Free memory is still 81.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:22,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory was 71.1 MB in the beginning and 71.1 MB in the end (delta: 52.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.01 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 65.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.79 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 63.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.20 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 60.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 775.81 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 60.9 MB in the beginning and 72.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 611.60 ms. Allocated memory is still 115.3 MB. Free memory was 72.2 MB in the beginning and 81.8 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.40 ms. Allocated memory is still 115.3 MB. Free memory is still 81.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of bitwiseAnd at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 170. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L170] float x = -1.0f / 0.0f; [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L104] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L171] float res = __ieee754_acosf(x); [L15] return x != x; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L174] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0490b.c", 3, "reach_error") VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 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: 99 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=73occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:25,250 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-28 03:20:25,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:25,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:25,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:25,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:25,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:25,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:25,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:25,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:25,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:25,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:25,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:25,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:20:25,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:25,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:25,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:25,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:25,459 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:25,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:25,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:25,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:25,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:25,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:25,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:25,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:25,462 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:20:25,462 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:20:25,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:25,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:25,463 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:25,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:25,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:25,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:25,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:25,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:25,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:25,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:25,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:25,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:25,465 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:20:25,465 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:20:25,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:25,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:25,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:20:25,466 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_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a1972a972d8f4e56aa3380dfc11b762fbf2f5f6 [2020-11-28 03:20:25,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:25,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:25,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:25,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:25,902 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:25,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2020-11-28 03:20:25,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/a5a66cdd9/f85c8419d6094b2a941b38fd8faa051c/FLAGb3d22d346 [2020-11-28 03:20:26,548 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:26,548 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2020-11-28 03:20:26,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/a5a66cdd9/f85c8419d6094b2a941b38fd8faa051c/FLAGb3d22d346 [2020-11-28 03:20:26,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/data/a5a66cdd9/f85c8419d6094b2a941b38fd8faa051c [2020-11-28 03:20:26,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:26,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:26,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:26,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:26,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:26,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:26" (1/1) ... [2020-11-28 03:20:26,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18363968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:26, skipping insertion in model container [2020-11-28 03:20:26,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:26" (1/1) ... [2020-11-28 03:20:26,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:26,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:27,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:27,146 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:27,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:27,283 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:27,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27 WrapperNode [2020-11-28 03:20:27,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:27,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:27,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:27,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:27,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:27,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:27,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:27,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:27,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... [2020-11-28 03:20:27,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:27,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:27,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:27,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:27,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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 [2020-11-28 03:20:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:20:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 03:20:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:20:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 03:20:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:20:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:20:38,850 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:38,851 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 03:20:38,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:38 BoogieIcfgContainer [2020-11-28 03:20:38,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:38,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:38,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:38,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:38,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:26" (1/3) ... [2020-11-28 03:20:38,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101117e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:38, skipping insertion in model container [2020-11-28 03:20:38,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:27" (2/3) ... [2020-11-28 03:20:38,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101117e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:38, skipping insertion in model container [2020-11-28 03:20:38,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:38" (3/3) ... [2020-11-28 03:20:38,861 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490b.c [2020-11-28 03:20:38,871 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:38,876 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:20:38,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:20:38,911 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:38,911 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:38,912 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:38,912 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:38,912 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:38,912 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:38,913 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:38,913 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-11-28 03:20:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:20:38,937 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:38,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:38,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:38,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:38,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2020-11-28 03:20:38,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:20:38,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431423463] [2020-11-28 03:20:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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 [2020-11-28 03:20:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:39,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 03:20:39,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:39,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:20:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:39,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431423463] [2020-11-28 03:20:39,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:39,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:20:39,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022965363] [2020-11-28 03:20:39,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:20:39,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:20:39,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:20:39,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:20:39,620 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2020-11-28 03:20:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:39,670 INFO L93 Difference]: Finished difference Result 143 states and 235 transitions. [2020-11-28 03:20:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:20:39,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:20:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:39,684 INFO L225 Difference]: With dead ends: 143 [2020-11-28 03:20:39,685 INFO L226 Difference]: Without dead ends: 69 [2020-11-28 03:20:39,688 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 [2020-11-28 03:20:39,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-28 03:20:39,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-28 03:20:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:20:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2020-11-28 03:20:39,742 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2020-11-28 03:20:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:39,743 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2020-11-28 03:20:39,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:20:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-11-28 03:20:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:20:39,745 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:39,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:39,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:20:39,949 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2020-11-28 03:20:39,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:20:39,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103496479] [2020-11-28 03:20:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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 [2020-11-28 03:20:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:40,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:20:40,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:40,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:20:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:40,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103496479] [2020-11-28 03:20:40,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:40,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 03:20:40,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046345549] [2020-11-28 03:20:40,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:20:40,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:20:40,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:20:40,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:20:40,837 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand 8 states. [2020-11-28 03:20:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:41,322 INFO L93 Difference]: Finished difference Result 74 states and 100 transitions. [2020-11-28 03:20:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:20:41,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-11-28 03:20:41,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:41,335 INFO L225 Difference]: With dead ends: 74 [2020-11-28 03:20:41,335 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 03:20:41,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:20:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 03:20:41,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:20:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:20:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-28 03:20:41,342 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2020-11-28 03:20:41,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:41,342 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-28 03:20:41,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:20:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-28 03:20:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:20:41,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:41,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:41,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:20:41,555 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:41,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:41,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1092362962, now seen corresponding path program 1 times [2020-11-28 03:20:41,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:20:41,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44872653] [2020-11-28 03:20:41,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/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 [2020-11-28 03:20:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:42,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 03:20:42,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:42,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:20:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:43,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44872653] [2020-11-28 03:20:43,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:43,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-11-28 03:20:43,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454886516] [2020-11-28 03:20:43,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:20:43,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:20:43,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:20:43,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:20:43,027 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2020-11-28 03:20:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:43,658 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-28 03:20:43,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:20:43,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-11-28 03:20:43,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:43,659 INFO L225 Difference]: With dead ends: 12 [2020-11-28 03:20:43,659 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:43,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:20:43,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:43,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-11-28 03:20:43,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:43,660 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:43,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:20:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:43,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:43,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:20:43,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:44,031 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-11-28 03:20:44,196 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-11-28 03:20:44,203 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-11-28 03:20:44,203 INFO L274 CegarLoopResult]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L104(lines 104 111) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L270 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2020-11-28 03:20:44,204 INFO L270 CegarLoopResult]: At program point L55-6(lines 55 64) the Hoare annotation is: false [2020-11-28 03:20:44,204 INFO L274 CegarLoopResult]: For program point L55-7(lines 19 84) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L40-3(lines 40 44) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L40-5(lines 40 44) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:20:44,205 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L270 CegarLoopResult]: At program point L24-6(lines 24 28) the Hoare annotation is: false [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point L24-7(lines 24 28) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L270 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point L41-7(lines 41 42) no Hoare annotation was computed. [2020-11-28 03:20:44,206 INFO L270 CegarLoopResult]: At program point L41-8(lines 41 42) the Hoare annotation is: false [2020-11-28 03:20:44,206 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:44,207 INFO L274 CegarLoopResult]: For program point L41-9(lines 41 42) no Hoare annotation was computed. [2020-11-28 03:20:44,207 INFO L274 CegarLoopResult]: For program point L124(lines 124 161) no Hoare annotation was computed. [2020-11-28 03:20:44,207 INFO L274 CegarLoopResult]: For program point L174(lines 174 177) no Hoare annotation was computed. [2020-11-28 03:20:44,207 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2020-11-28 03:20:44,207 INFO L270 CegarLoopResult]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2020-11-28 03:20:44,207 INFO L274 CegarLoopResult]: For program point L109(lines 109 111) no Hoare annotation was computed. [2020-11-28 03:20:44,207 INFO L270 CegarLoopResult]: At program point L160(lines 95 162) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res|) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-11-28 03:20:44,208 INFO L270 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2020-11-28 03:20:44,208 INFO L270 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point L78-7(lines 78 82) no Hoare annotation was computed. [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point L112(lines 112 161) no Hoare annotation was computed. [2020-11-28 03:20:44,208 INFO L277 CegarLoopResult]: At program point L179(lines 164 180) the Hoare annotation is: true [2020-11-28 03:20:44,208 INFO L274 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L146-1(lines 136 161) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L47-5(lines 47 48) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-11-28 03:20:44,209 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-11-28 03:20:44,210 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2020-11-28 03:20:44,210 INFO L274 CegarLoopResult]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2020-11-28 03:20:44,210 INFO L270 CegarLoopResult]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x))) [2020-11-28 03:20:44,210 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:44,210 INFO L274 CegarLoopResult]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2020-11-28 03:20:44,210 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:44,210 INFO L274 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2020-11-28 03:20:44,210 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-11-28 03:20:44,211 INFO L270 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: false [2020-11-28 03:20:44,211 INFO L270 CegarLoopResult]: At program point L83-1(lines 19 84) the Hoare annotation is: false [2020-11-28 03:20:44,211 INFO L274 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-11-28 03:20:44,211 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2020-11-28 03:20:44,211 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-11-28 03:20:44,211 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 74) no Hoare annotation was computed. [2020-11-28 03:20:44,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:44 BoogieIcfgContainer [2020-11-28 03:20:44,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:44,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:44,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:44,250 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:44,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:38" (3/4) ... [2020-11-28 03:20:44,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:44,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 03:20:44,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 03:20:44,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:44,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:44,295 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-11-28 03:20:44,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-11-28 03:20:44,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2020-11-28 03:20:44,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3e6a08ff-9338-4933-a5d5-90f26962c774/bin/uautomizer/witness.graphml [2020-11-28 03:20:44,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:44,366 INFO L168 Benchmark]: Toolchain (without parser) took 17466.65 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 45.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,366 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:44,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.45 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 35.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.45 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 32.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,367 INFO L168 Benchmark]: Boogie Preprocessor took 91.15 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 30.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,368 INFO L168 Benchmark]: RCFGBuilder took 11400.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 39.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,368 INFO L168 Benchmark]: TraceAbstraction took 5395.03 ms. Allocated memory is still 67.1 MB. Free memory was 39.1 MB in the beginning and 32.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,369 INFO L168 Benchmark]: Witness Printer took 115.04 ms. Allocated memory is still 67.1 MB. Free memory was 32.3 MB in the beginning and 45.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:44,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.45 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 35.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.45 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 32.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.15 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 30.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11400.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 39.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5395.03 ms. Allocated memory is still 67.1 MB. Free memory was 39.1 MB in the beginning and 32.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 115.04 ms. Allocated memory is still 67.1 MB. Free memory was 32.3 MB in the beginning and 45.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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 * 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: 15]: Loop Invariant [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant [2020-11-28 03:20:44,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-11-28 03:20:44,392 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,392 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,392 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,392 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 98]: Loop Invariant [2020-11-28 03:20:44,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:20:44,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:20:44,394 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,394 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 03:20:44,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 110 SDtfs, 45 SDslu, 23 SDs, 0 SdLazy, 28 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 205 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 5 QuantifiedInterpolants, 2922 SizeOfPredicates, 17 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...