./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ed4a460efb594a84f062221537c87307eeb15468 ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ed4a460efb594a84f062221537c87307eeb15468 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:20:52,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:20:52,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:20:52,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:20:52,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:20:52,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:20:52,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:20:52,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:20:52,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:20:52,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:20:52,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:20:52,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:20:52,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:20:52,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:20:52,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:20:52,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:20:52,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:20:52,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:20:52,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:20:52,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:20:52,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:20:52,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:20:52,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:20:52,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:20:52,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:20:52,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:20:52,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:20:52,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:20:52,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:20:52,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:20:52,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:20:52,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:20:52,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:20:52,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:20:52,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:20:52,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:20:52,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:20:52,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:20:52,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:20:52,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:20:52,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:20:52,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:20:52,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:20:52,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:20:52,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:20:52,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:20:52,685 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:20:52,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:20:52,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:20:52,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:20:52,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:20:52,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:20:52,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:20:52,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:20:52,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:20:52,687 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:20:52,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:20:52,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:20:52,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:20:52,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:20:52,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:20:52,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:20:52,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:20:52,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:20:52,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:20:52,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:20:52,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:20:52,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:20:52,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:20:52,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:20:52,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:20:52,692 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-10-24 23:20:53,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:20:53,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:20:53,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:20:53,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:20:53,188 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:20:53,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-10-24 23:20:53,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2df9ddd/8f9e422b7c6f4ee1bbc6191772efc9db/FLAG738637d15 [2020-10-24 23:20:53,918 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:20:53,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-10-24 23:20:53,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2df9ddd/8f9e422b7c6f4ee1bbc6191772efc9db/FLAG738637d15 [2020-10-24 23:20:54,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2df9ddd/8f9e422b7c6f4ee1bbc6191772efc9db [2020-10-24 23:20:54,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:20:54,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:20:54,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:20:54,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:20:54,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:20:54,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:54,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c06c3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54, skipping insertion in model container [2020-10-24 23:20:54,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:54,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:20:54,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:20:54,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:20:54,669 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:20:54,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:20:54,856 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:20:54,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54 WrapperNode [2020-10-24 23:20:54,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:20:54,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:20:54,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:20:54,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:20:54,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:54,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:20:55,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:20:55,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:20:55,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:20:55,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... [2020-10-24 23:20:55,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:20:55,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:20:55,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:20:55,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:20:55,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:20:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:20:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:20:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:20:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:20:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:20:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:20:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:20:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:20:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:20:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:20:56,108 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:20:56,109 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-10-24 23:20:56,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:20:56 BoogieIcfgContainer [2020-10-24 23:20:56,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:20:56,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:20:56,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:20:56,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:20:56,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:20:54" (1/3) ... [2020-10-24 23:20:56,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d92d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:20:56, skipping insertion in model container [2020-10-24 23:20:56,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:54" (2/3) ... [2020-10-24 23:20:56,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d92d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:20:56, skipping insertion in model container [2020-10-24 23:20:56,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:20:56" (3/3) ... [2020-10-24 23:20:56,122 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-10-24 23:20:56,136 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:20:56,142 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:20:56,156 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:20:56,184 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:20:56,184 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:20:56,184 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:20:56,185 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:20:56,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:20:56,185 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:20:56,185 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:20:56,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:20:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:20:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:20:56,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:20:56,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:20:56,211 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:20:56,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:20:56,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2020-10-24 23:20:56,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:20:56,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558288323] [2020-10-24 23:20:56,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:20:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:20:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:20:56,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558288323] [2020-10-24 23:20:56,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:20:56,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:20:56,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74243876] [2020-10-24 23:20:56,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:20:56,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:20:56,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:20:56,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:20:56,474 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:20:56,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:20:56,511 INFO L93 Difference]: Finished difference Result 225 states and 373 transitions. [2020-10-24 23:20:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:20:56,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-10-24 23:20:56,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:20:56,526 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:20:56,527 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:20:56,531 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 [2020-10-24 23:20:56,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:20:56,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:20:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:20:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-10-24 23:20:56,585 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2020-10-24 23:20:56,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:20:56,585 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-10-24 23:20:56,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:20:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-10-24 23:20:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:20:56,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:20:56,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:20:56,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:20:56,588 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:20:56,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:20:56,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2020-10-24 23:20:56,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:20:56,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541879972] [2020-10-24 23:20:56,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:20:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:20:56,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:20:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:20:56,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:20:56,822 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:20:56,822 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:20:56,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:20:56,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:20:56 BoogieIcfgContainer [2020-10-24 23:20:56,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:20:56,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:20:56,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:20:56,879 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:20:56,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:20:56" (3/4) ... [2020-10-24 23:20:56,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:20:56,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:20:56,889 INFO L168 Benchmark]: Toolchain (without parser) took 2622.85 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 19.5 MB in the beginning and 39.6 MB in the end (delta: -20.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:20:56,893 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 22.9 MB in the beginning and 22.9 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:20:56,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.54 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 35.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:20:56,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.95 ms. Allocated memory is still 52.4 MB. Free memory was 35.7 MB in the beginning and 32.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:20:56,898 INFO L168 Benchmark]: Boogie Preprocessor took 121.55 ms. Allocated memory is still 52.4 MB. Free memory was 32.3 MB in the beginning and 29.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:20:56,901 INFO L168 Benchmark]: RCFGBuilder took 975.59 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.1 MB in the beginning and 38.5 MB in the end (delta: -9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:20:56,903 INFO L168 Benchmark]: TraceAbstraction took 762.94 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 40.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:20:56,906 INFO L168 Benchmark]: Witness Printer took 9.02 ms. Allocated memory is still 62.9 MB. Free memory was 40.0 MB in the beginning and 39.6 MB in the end (delta: 402.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:20:56,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 22.9 MB in the beginning and 22.9 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.54 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 35.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 150.95 ms. Allocated memory is still 52.4 MB. Free memory was 35.7 MB in the beginning and 32.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 121.55 ms. Allocated memory is still 52.4 MB. Free memory was 32.3 MB in the beginning and 29.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 975.59 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.1 MB in the beginning and 38.5 MB in the end (delta: -9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 762.94 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 40.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 9.02 ms. Allocated memory is still 62.9 MB. Free memory was 40.0 MB in the beginning and 39.6 MB in the end (delta: 402.7 kB). 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 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L120-L121] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L15] return x != x; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L232] float res = __ieee754_atan2f(y, x); [L15] return x != x; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0670.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 165 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=116occurred 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 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 [2020-10-24 23:20:59,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:20:59,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:20:59,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:20:59,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:20:59,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:20:59,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:20:59,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:20:59,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:20:59,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:20:59,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:20:59,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:20:59,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:20:59,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:20:59,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:20:59,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:20:59,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:20:59,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:20:59,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:20:59,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:20:59,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:20:59,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:20:59,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:20:59,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:20:59,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:20:59,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:20:59,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:20:59,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:20:59,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:20:59,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:20:59,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:20:59,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:20:59,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:20:59,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:20:59,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:20:59,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:20:59,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:20:59,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:20:59,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:20:59,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:20:59,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:20:59,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:20:59,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:20:59,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:20:59,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:20:59,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:20:59,677 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:20:59,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:20:59,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:20:59,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:20:59,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:20:59,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:20:59,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:20:59,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:20:59,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:20:59,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:20:59,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:20:59,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:20:59,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:20:59,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:20:59,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:20:59,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:20:59,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:20:59,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:20:59,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:20:59,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:20:59,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:20:59,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:20:59,684 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:20:59,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:20:59,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:20:59,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:20:59,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:20:59,686 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-10-24 23:21:00,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:21:00,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:21:00,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:21:00,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:21:00,236 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:21:00,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-10-24 23:21:00,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0605a7ddb/69d1dedace244b528e21e50c35b0d709/FLAG2f334fe62 [2020-10-24 23:21:01,084 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:21:01,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-10-24 23:21:01,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0605a7ddb/69d1dedace244b528e21e50c35b0d709/FLAG2f334fe62 [2020-10-24 23:21:01,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0605a7ddb/69d1dedace244b528e21e50c35b0d709 [2020-10-24 23:21:01,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:21:01,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:21:01,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:21:01,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:21:01,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:21:01,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:01,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8d1adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01, skipping insertion in model container [2020-10-24 23:21:01,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:01,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:21:01,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:21:01,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:21:01,797 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:21:01,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:21:01,997 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:21:01,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01 WrapperNode [2020-10-24 23:21:01,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:21:02,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:21:02,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:21:02,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:21:02,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:21:02,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:21:02,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:21:02,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:21:02,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... [2020-10-24 23:21:02,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:21:02,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:21:02,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:21:02,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:21:02,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:21:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-24 23:21:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:21:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:21:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 23:21:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:21:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:21:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:21:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 23:21:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:21:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:21:23,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:21:23,141 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-10-24 23:21:23,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:23 BoogieIcfgContainer [2020-10-24 23:21:23,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:21:23,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:21:23,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:21:23,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:21:23,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:21:01" (1/3) ... [2020-10-24 23:21:23,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2b80e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:23, skipping insertion in model container [2020-10-24 23:21:23,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:01" (2/3) ... [2020-10-24 23:21:23,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2b80e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:23, skipping insertion in model container [2020-10-24 23:21:23,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:23" (3/3) ... [2020-10-24 23:21:23,162 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-10-24 23:21:23,173 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:21:23,180 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:21:23,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:21:23,222 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:21:23,223 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:21:23,223 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:21:23,223 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:21:23,223 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:21:23,223 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:21:23,224 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:21:23,224 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:21:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:21:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:21:23,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:23,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:23,250 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:23,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:23,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2020-10-24 23:21:23,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:23,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464148403] [2020-10-24 23:21:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:21:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:24,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:21:24,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:24,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:24,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464148403] [2020-10-24 23:21:24,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:24,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:21:24,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128782336] [2020-10-24 23:21:24,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:21:24,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:24,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:21:24,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:21:24,427 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:21:24,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:24,472 INFO L93 Difference]: Finished difference Result 225 states and 373 transitions. [2020-10-24 23:21:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:21:24,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-10-24 23:21:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:24,491 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:21:24,492 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:21:24,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:21:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:21:24,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:21:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:21:24,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-10-24 23:21:24,541 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2020-10-24 23:21:24,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:24,541 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-10-24 23:21:24,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:21:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-10-24 23:21:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:21:24,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:24,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:24,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:21:24,744 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:24,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:24,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2020-10-24 23:21:24,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:24,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560640986] [2020-10-24 23:21:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:21:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:25,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-24 23:21:25,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:25,940 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:21:26,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:21:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:26,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:29,163 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-10-24 23:21:30,116 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 23:21:30,139 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-24 23:21:30,139 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:21:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:30,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560640986] [2020-10-24 23:21:30,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:30,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-10-24 23:21:30,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102510130] [2020-10-24 23:21:30,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 23:21:30,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:30,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 23:21:30,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-24 23:21:30,178 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 17 states. [2020-10-24 23:21:32,767 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2020-10-24 23:21:34,183 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-10-24 23:22:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:22:59,449 INFO L93 Difference]: Finished difference Result 234 states and 329 transitions. [2020-10-24 23:22:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 23:22:59,459 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-10-24 23:22:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:22:59,462 INFO L225 Difference]: With dead ends: 234 [2020-10-24 23:22:59,462 INFO L226 Difference]: Without dead ends: 229 [2020-10-24 23:22:59,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-10-24 23:22:59,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-24 23:22:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 119. [2020-10-24 23:22:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-24 23:22:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-10-24 23:22:59,494 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2020-10-24 23:22:59,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:22:59,494 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-10-24 23:22:59,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 23:22:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-10-24 23:22:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-24 23:22:59,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:22:59,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:22:59,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:22:59,708 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:22:59,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:22:59,710 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2020-10-24 23:22:59,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:22:59,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406323929] [2020-10-24 23:22:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 23:23:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:23:00,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-24 23:23:00,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:23:00,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:23:00,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:23:00,906 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:23:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:23:01,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:23:02,702 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-10-24 23:23:03,589 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 23:23:03,599 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-24 23:23:03,600 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:23:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:23:03,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406323929] [2020-10-24 23:23:03,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:23:03,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-10-24 23:23:03,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811209000] [2020-10-24 23:23:03,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 23:23:03,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:23:03,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 23:23:03,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-24 23:23:03,647 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 15 states. [2020-10-24 23:23:04,923 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-10-24 23:23:05,561 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2020-10-24 23:23:05,845 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (= (_ bv1 32) |c_ULTIMATE.start_isnan_float_#res|))) (and (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |c_ULTIMATE.start___ieee754_atan2f_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)))) (not (fp.eq |c_ULTIMATE.start___ieee754_atan2f_#res| |c_ULTIMATE.start___ieee754_atan2f_#res|)) (let ((.cse0 (fp.eq c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0))) (or (and (= (_ bv0 32) |c_ULTIMATE.start_isnan_float_#res|) .cse0) (and .cse1 (not .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven) .cse1 (not (fp.eq c_ULTIMATE.start___ieee754_atan2f_~y c_ULTIMATE.start___ieee754_atan2f_~y)) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse2 (fp.add c_currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x c_ULTIMATE.start_main_~y~0))) (fp.eq .cse2 .cse2)))) (not |c_ULTIMATE.start_main_#t~short53|)))) is different from true [2020-10-24 23:23:19,689 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-10-24 23:24:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:17,673 INFO L93 Difference]: Finished difference Result 235 states and 329 transitions. [2020-10-24 23:24:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 23:24:17,682 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2020-10-24 23:24:17,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:17,685 INFO L225 Difference]: With dead ends: 235 [2020-10-24 23:24:17,685 INFO L226 Difference]: Without dead ends: 230 [2020-10-24 23:24:17,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=78, Invalid=305, Unknown=1, NotChecked=36, Total=420 [2020-10-24 23:24:17,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-24 23:24:17,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 124. [2020-10-24 23:24:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-24 23:24:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-10-24 23:24:17,710 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2020-10-24 23:24:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:17,710 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-10-24 23:24:17,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 23:24:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-10-24 23:24:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-24 23:24:17,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:17,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:17,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:24:17,919 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:17,921 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2020-10-24 23:24:17,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:17,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978475747] [2020-10-24 23:24:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-24 23:24:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:18,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-24 23:24:18,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:18,962 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:24:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:19,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:19,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978475747] [2020-10-24 23:24:19,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:19,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-10-24 23:24:19,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004788180] [2020-10-24 23:24:19,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 23:24:19,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:24:19,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 23:24:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-24 23:24:19,366 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 14 states. [2020-10-24 23:24:21,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:21,052 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2020-10-24 23:24:21,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 23:24:21,053 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-10-24 23:24:21,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:21,054 INFO L225 Difference]: With dead ends: 227 [2020-10-24 23:24:21,054 INFO L226 Difference]: Without dead ends: 121 [2020-10-24 23:24:21,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-24 23:24:21,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-24 23:24:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2020-10-24 23:24:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:24:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2020-10-24 23:24:21,069 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2020-10-24 23:24:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:21,070 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2020-10-24 23:24:21,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 23:24:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2020-10-24 23:24:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-24 23:24:21,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:24:21,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:24:21,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 23:24:21,280 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:24:21,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:24:21,282 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2020-10-24 23:24:21,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:24:21,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828622665] [2020-10-24 23:24:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-24 23:24:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:24:22,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-24 23:24:22,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:24:22,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:24:22,248 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:24:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:22,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:24:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:24:22,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828622665] [2020-10-24 23:24:22,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:24:22,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2020-10-24 23:24:22,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90431456] [2020-10-24 23:24:22,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 23:24:22,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:24:22,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 23:24:22,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-24 23:24:22,462 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 10 states. [2020-10-24 23:24:22,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:24:22,843 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-10-24 23:24:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:24:22,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-10-24 23:24:22,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:24:22,844 INFO L225 Difference]: With dead ends: 111 [2020-10-24 23:24:22,844 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:24:22,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-24 23:24:22,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:24:22,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:24:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:24:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:24:22,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-10-24 23:24:22,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:24:22,853 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:24:22,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 23:24:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:24:22,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:24:23,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 23:24:23,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:24:24,850 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2020-10-24 23:24:26,373 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-10-24 23:24:26,376 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-10-24 23:24:26,376 INFO L270 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L69(lines 69 72) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-10-24 23:24:26,377 INFO L274 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L173(lines 173 182) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L74(lines 74 99) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-24 23:24:26,378 INFO L274 CegarLoopResult]: For program point L141(lines 141 142) no Hoare annotation was computed. [2020-10-24 23:24:26,379 INFO L274 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2020-10-24 23:24:26,379 INFO L274 CegarLoopResult]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2020-10-24 23:24:26,379 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2020-10-24 23:24:26,379 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2020-10-24 23:24:26,379 INFO L277 CegarLoopResult]: At program point L241(lines 220 242) the Hoare annotation is: true [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L145(lines 145 155) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-24 23:24:26,380 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-24 23:24:26,381 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-24 23:24:26,381 INFO L274 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-10-24 23:24:26,381 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-24 23:24:26,381 INFO L270 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (let ((.cse2 (not |ULTIMATE.start_main_#t~short53|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse1 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse1 .cse2) (and |ULTIMATE.start_main_#t~short53| (not .cse1)))) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse3 (fp.add currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start_main_~y~0))) (fp.eq .cse3 .cse3)))) .cse2))) [2020-10-24 23:24:26,381 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) [2020-10-24 23:24:26,381 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L82(lines 82 98) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L270 CegarLoopResult]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2020-10-24 23:24:26,382 INFO L274 CegarLoopResult]: For program point L116-4(line 116) no Hoare annotation was computed. [2020-10-24 23:24:26,383 INFO L274 CegarLoopResult]: For program point L116-6(line 116) no Hoare annotation was computed. [2020-10-24 23:24:26,383 INFO L270 CegarLoopResult]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2020-10-24 23:24:26,383 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-24 23:24:26,383 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-10-24 23:24:26,383 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2020-10-24 23:24:26,383 INFO L274 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2020-10-24 23:24:26,384 INFO L270 CegarLoopResult]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2020-10-24 23:24:26,384 INFO L274 CegarLoopResult]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2020-10-24 23:24:26,384 INFO L270 CegarLoopResult]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2020-10-24 23:24:26,384 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:24:26,384 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-24 23:24:26,384 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-24 23:24:26,384 INFO L274 CegarLoopResult]: For program point L187-2(line 187) no Hoare annotation was computed. [2020-10-24 23:24:26,385 INFO L270 CegarLoopResult]: At program point L123(lines 123 218) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |ULTIMATE.start___ieee754_atan2f_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-10-24 23:24:26,385 INFO L274 CegarLoopResult]: For program point L24(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:24:26,385 INFO L274 CegarLoopResult]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2020-10-24 23:24:26,385 INFO L274 CegarLoopResult]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:24:26,386 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L190(lines 190 195) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-24 23:24:26,387 INFO L274 CegarLoopResult]: For program point L158-2(line 158) no Hoare annotation was computed. [2020-10-24 23:24:26,388 INFO L274 CegarLoopResult]: For program point L192(lines 192 195) no Hoare annotation was computed. [2020-10-24 23:24:26,388 INFO L274 CegarLoopResult]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2020-10-24 23:24:26,388 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2020-10-24 23:24:26,388 INFO L270 CegarLoopResult]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2020-10-24 23:24:26,388 INFO L274 CegarLoopResult]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2020-10-24 23:24:26,389 INFO L274 CegarLoopResult]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2020-10-24 23:24:26,389 INFO L270 CegarLoopResult]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2020-10-24 23:24:26,389 INFO L274 CegarLoopResult]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2020-10-24 23:24:26,389 INFO L274 CegarLoopResult]: For program point L160(lines 160 184) no Hoare annotation was computed. [2020-10-24 23:24:26,389 INFO L274 CegarLoopResult]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2020-10-24 23:24:26,389 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2020-10-24 23:24:26,390 INFO L270 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))))) [2020-10-24 23:24:26,390 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:24:26,390 INFO L274 CegarLoopResult]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2020-10-24 23:24:26,390 INFO L274 CegarLoopResult]: For program point L161(lines 161 183) no Hoare annotation was computed. [2020-10-24 23:24:26,390 INFO L270 CegarLoopResult]: At program point L29(lines 17 30) the Hoare annotation is: false [2020-10-24 23:24:26,390 INFO L270 CegarLoopResult]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2020-10-24 23:24:26,391 INFO L270 CegarLoopResult]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2020-10-24 23:24:26,391 INFO L274 CegarLoopResult]: For program point L162(lines 162 171) no Hoare annotation was computed. [2020-10-24 23:24:26,391 INFO L274 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-10-24 23:24:26,391 INFO L274 CegarLoopResult]: For program point L196(lines 196 217) no Hoare annotation was computed. [2020-10-24 23:24:26,391 INFO L274 CegarLoopResult]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2020-10-24 23:24:26,391 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-24 23:24:26,392 INFO L274 CegarLoopResult]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2020-10-24 23:24:26,392 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-24 23:24:26,392 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:24:26,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:24:26,392 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-24 23:24:26,393 INFO L274 CegarLoopResult]: For program point L66(lines 66 73) no Hoare annotation was computed. [2020-10-24 23:24:26,393 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2020-10-24 23:24:26,393 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-24 23:24:26,393 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2020-10-24 23:24:26,393 INFO L270 CegarLoopResult]: At program point L133-2(lines 133 137) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))) .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse3 .cse3))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-10-24 23:24:26,393 INFO L274 CegarLoopResult]: For program point L67(lines 67 68) no Hoare annotation was computed. [2020-10-24 23:24:26,394 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2020-10-24 23:24:26,394 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2020-10-24 23:24:26,398 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-24 23:24:26,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-10-24 23:24:26,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-10-24 23:24:26,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,431 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:24:26 BoogieIcfgContainer [2020-10-24 23:24:26,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:24:26,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:24:26,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:24:26,445 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:24:26,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:23" (3/4) ... [2020-10-24 23:24:26,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:24:26,470 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-10-24 23:24:26,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-24 23:24:26,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:24:26,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:24:26,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-10-24 23:24:26,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) [2020-10-24 23:24:26,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) [2020-10-24 23:24:26,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || (((((!~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && !~fp.eq~FLOAT(x, x)) [2020-10-24 23:24:26,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) [2020-10-24 23:24:26,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result [2020-10-24 23:24:26,627 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:24:26,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:24:26,629 INFO L168 Benchmark]: Toolchain (without parser) took 205212.91 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.5 MB in the beginning and 16.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,629 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:24:26,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.39 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.9 MB in the beginning and 37.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.18 ms. Allocated memory is still 54.5 MB. Free memory was 37.7 MB in the beginning and 34.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,631 INFO L168 Benchmark]: Boogie Preprocessor took 121.60 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 30.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,631 INFO L168 Benchmark]: RCFGBuilder took 20881.83 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 28.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,631 INFO L168 Benchmark]: TraceAbstraction took 183294.31 ms. Allocated memory is still 54.5 MB. Free memory was 28.4 MB in the beginning and 25.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,632 INFO L168 Benchmark]: Witness Printer took 183.33 ms. Allocated memory is still 54.5 MB. Free memory was 24.6 MB in the beginning and 16.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:24:26,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.39 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.9 MB in the beginning and 37.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.18 ms. Allocated memory is still 54.5 MB. Free memory was 37.7 MB in the beginning and 34.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 121.60 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 30.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20881.83 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 28.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 183294.31 ms. Allocated memory is still 54.5 MB. Free memory was 28.4 MB in the beginning and 25.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Witness Printer took 183.33 ms. Allocated memory is still 54.5 MB. Free memory was 24.6 MB in the beginning and 16.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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 - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2020-10-24 23:24:26,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant [2020-10-24 23:24:26,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-10-24 23:24:26,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-10-24 23:24:26,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant [2020-10-24 23:24:26,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant [2020-10-24 23:24:26,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:24:26,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || (((((!~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 15]: Loop Invariant [2020-10-24 23:24:26,674 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:24:26,675 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-10-24 23:24:26,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:24:26,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 179.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 165.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 669 SDtfs, 2394 SDslu, 3890 SDs, 0 SdLazy, 1158 SolverSat, 39 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 154.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 1 IntricatePredicates, 3 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 226 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 230 HoareAnnotationTreeSize, 18 FomulaSimplifications, 82 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 19286 SizeOfPredicates, 54 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...