./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0662b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e1a00cf 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0662b.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 49b0b96094723c8986d9da073ab342d1c1dce38a ........................................................................................................................................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0662b.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 49b0b96094723c8986d9da073ab342d1c1dce38a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-0e1a00c [2020-11-29 14:47:45,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 14:47:45,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 14:47:45,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 14:47:45,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 14:47:45,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 14:47:45,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 14:47:45,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 14:47:45,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 14:47:45,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 14:47:45,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 14:47:45,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 14:47:45,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 14:47:45,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 14:47:45,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 14:47:45,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 14:47:45,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 14:47:45,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 14:47:45,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 14:47:45,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 14:47:45,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 14:47:45,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 14:47:45,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 14:47:45,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 14:47:45,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 14:47:45,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 14:47:45,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 14:47:45,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 14:47:45,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 14:47:45,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 14:47:45,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 14:47:45,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 14:47:45,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 14:47:45,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 14:47:45,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 14:47:45,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 14:47:45,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 14:47:45,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 14:47:45,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 14:47:45,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 14:47:45,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 14:47:45,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 14:47:45,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 14:47:45,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 14:47:45,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 14:47:45,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 14:47:45,976 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 14:47:45,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 14:47:45,977 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 14:47:45,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 14:47:45,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 14:47:45,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 14:47:45,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 14:47:45,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 14:47:45,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 14:47:45,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 14:47:45,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 14:47:45,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 14:47:45,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 14:47:45,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 14:47:45,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 14:47:45,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 14:47:45,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 14:47:45,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:47:45,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 14:47:45,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 14:47:45,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 14:47:45,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 14:47:45,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 14:47:45,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 14:47:45,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 14:47:45,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49b0b96094723c8986d9da073ab342d1c1dce38a [2020-11-29 14:47:46,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 14:47:46,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 14:47:46,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 14:47:46,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 14:47:46,457 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 14:47:46,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0662b.c [2020-11-29 14:47:46,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648bc7116/648e5c28374d41ee9d58400cc32d024d/FLAGb9101e6ef [2020-11-29 14:47:47,108 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 14:47:47,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0662b.c [2020-11-29 14:47:47,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648bc7116/648e5c28374d41ee9d58400cc32d024d/FLAGb9101e6ef [2020-11-29 14:47:47,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648bc7116/648e5c28374d41ee9d58400cc32d024d [2020-11-29 14:47:47,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 14:47:47,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 14:47:47,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 14:47:47,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 14:47:47,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 14:47:47,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:47,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca419ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47, skipping insertion in model container [2020-11-29 14:47:47,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:47,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 14:47:47,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 14:47:47,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:47:47,843 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 14:47:47,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:47:47,962 INFO L208 MainTranslator]: Completed translation [2020-11-29 14:47:47,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47 WrapperNode [2020-11-29 14:47:47,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 14:47:47,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 14:47:47,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 14:47:47,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 14:47:47,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 14:47:48,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 14:47:48,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 14:47:48,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 14:47:48,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (1/1) ... [2020-11-29 14:47:48,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 14:47:48,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 14:47:48,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 14:47:48,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 14:47:48,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (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 [2020-11-29 14:47:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 14:47:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 14:47:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 14:47:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 14:47:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 14:47:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 14:47:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 14:47:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 14:47:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 14:47:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 14:47:49,351 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 14:47:49,352 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 14:47:49,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:49 BoogieIcfgContainer [2020-11-29 14:47:49,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 14:47:49,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 14:47:49,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 14:47:49,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 14:47:49,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:47:47" (1/3) ... [2020-11-29 14:47:49,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bf124f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:47:49, skipping insertion in model container [2020-11-29 14:47:49,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:47" (2/3) ... [2020-11-29 14:47:49,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bf124f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:47:49, skipping insertion in model container [2020-11-29 14:47:49,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:49" (3/3) ... [2020-11-29 14:47:49,363 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2020-11-29 14:47:49,379 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 14:47:49,384 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 14:47:49,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 14:47:49,434 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 14:47:49,434 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 14:47:49,434 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 14:47:49,435 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 14:47:49,435 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 14:47:49,435 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 14:47:49,435 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 14:47:49,435 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 14:47:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-29 14:47:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 14:47:49,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:47:49,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:47:49,462 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:47:49,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:47:49,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-29 14:47:49,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 14:47:49,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216622894] [2020-11-29 14:47:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 14:47:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:47:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:47:49,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216622894] [2020-11-29 14:47:49,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:47:49,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 14:47:49,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922576075] [2020-11-29 14:47:49,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 14:47:49,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 14:47:49,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 14:47:49,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:47:49,695 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-29 14:47:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:47:49,730 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-29 14:47:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 14:47:49,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 14:47:49,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:47:49,744 INFO L225 Difference]: With dead ends: 220 [2020-11-29 14:47:49,745 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 14:47:49,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:47:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 14:47:49,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 14:47:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 14:47:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-29 14:47:49,799 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-29 14:47:49,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:47:49,799 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-29 14:47:49,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 14:47:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-29 14:47:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 14:47:49,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:47:49,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:47:49,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 14:47:49,801 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:47:49,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:47:49,802 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-29 14:47:49,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 14:47:49,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260371188] [2020-11-29 14:47:49,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 14:47:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 14:47:49,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 14:47:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 14:47:50,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 14:47:50,060 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 14:47:50,060 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 14:47:50,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 14:47:50,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:47:50 BoogieIcfgContainer [2020-11-29 14:47:50,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 14:47:50,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 14:47:50,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 14:47:50,139 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 14:47:50,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:49" (3/4) ... [2020-11-29 14:47:50,142 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 14:47:50,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 14:47:50,145 INFO L168 Benchmark]: Toolchain (without parser) took 2656.49 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 25.1 MB in the beginning and 33.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-29 14:47:50,146 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 18.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:47:50,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.84 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 21.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:47:50,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.71 ms. Allocated memory is still 48.2 MB. Free memory was 21.7 MB in the beginning and 30.1 MB in the end (delta: -8.4 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-11-29 14:47:50,149 INFO L168 Benchmark]: Boogie Preprocessor took 89.64 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 27.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:47:50,150 INFO L168 Benchmark]: RCFGBuilder took 1192.03 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 31.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:47:50,151 INFO L168 Benchmark]: TraceAbstraction took 782.16 ms. Allocated memory is still 60.8 MB. Free memory was 31.4 MB in the beginning and 33.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:47:50,152 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 60.8 MB. Free memory was 33.7 MB in the beginning and 33.3 MB in the end (delta: 387.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:47:50,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 18.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.84 ms. Allocated memory is still 48.2 MB. Free memory was 24.5 MB in the beginning and 21.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.71 ms. Allocated memory is still 48.2 MB. Free memory was 21.7 MB in the beginning and 30.1 MB in the end (delta: -8.4 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.64 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 27.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1192.03 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 31.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 782.16 ms. Allocated memory is still 60.8 MB. Free memory was 31.4 MB in the beginning and 33.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.18 ms. Allocated memory is still 60.8 MB. Free memory was 33.7 MB in the beginning and 33.3 MB in the end (delta: 387.9 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 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; 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] [L218] float x = 0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={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] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={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] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={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] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] 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] [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi_o_2 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] [L3] __assert_fail("0", "float_req_bl_0662b.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, 112 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: 160 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=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.2.0-0e1a00c [2020-11-29 14:47:52,638 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-29 14:47:52,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 14:47:52,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 14:47:52,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 14:47:52,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 14:47:52,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 14:47:52,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 14:47:52,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 14:47:52,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 14:47:52,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 14:47:52,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 14:47:52,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 14:47:52,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 14:47:52,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 14:47:52,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 14:47:52,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 14:47:52,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 14:47:52,789 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 14:47:52,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 14:47:52,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 14:47:52,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 14:47:52,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 14:47:52,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 14:47:52,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 14:47:52,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 14:47:52,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 14:47:52,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 14:47:52,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 14:47:52,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 14:47:52,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 14:47:52,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 14:47:52,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 14:47:52,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 14:47:52,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 14:47:52,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 14:47:52,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:47:52,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 14:47:52,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 14:47:52,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 14:47:52,796 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 14:47:52,797 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 14:47:52,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 14:47:52,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 14:47:52,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 14:47:52,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49b0b96094723c8986d9da073ab342d1c1dce38a [2020-11-29 14:47:53,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 14:47:53,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 14:47:53,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 14:47:53,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 14:47:53,242 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 14:47:53,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0662b.c [2020-11-29 14:47:53,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd208f3b/60887b3c70454be6b7b92dae972778a5/FLAG0ce1e4acc [2020-11-29 14:47:53,921 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 14:47:53,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0662b.c [2020-11-29 14:47:53,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd208f3b/60887b3c70454be6b7b92dae972778a5/FLAG0ce1e4acc [2020-11-29 14:47:54,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd208f3b/60887b3c70454be6b7b92dae972778a5 [2020-11-29 14:47:54,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 14:47:54,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 14:47:54,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 14:47:54,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 14:47:54,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 14:47:54,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67348a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54, skipping insertion in model container [2020-11-29 14:47:54,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 14:47:54,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 14:47:54,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:47:54,586 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 14:47:54,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:47:54,706 INFO L208 MainTranslator]: Completed translation [2020-11-29 14:47:54,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54 WrapperNode [2020-11-29 14:47:54,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 14:47:54,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 14:47:54,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 14:47:54,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 14:47:54,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 14:47:54,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 14:47:54,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 14:47:54,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 14:47:54,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (1/1) ... [2020-11-29 14:47:54,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 14:47:54,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 14:47:54,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 14:47:54,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 14:47:54,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (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 [2020-11-29 14:47:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 14:47:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 14:47:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 14:47:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 14:47:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 14:47:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 14:47:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 14:47:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 14:47:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 14:47:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 14:48:30,121 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 14:48:30,122 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 14:48:30,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:48:30 BoogieIcfgContainer [2020-11-29 14:48:30,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 14:48:30,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 14:48:30,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 14:48:30,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 14:48:30,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:47:54" (1/3) ... [2020-11-29 14:48:30,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4572ba1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:48:30, skipping insertion in model container [2020-11-29 14:48:30,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:54" (2/3) ... [2020-11-29 14:48:30,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4572ba1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:48:30, skipping insertion in model container [2020-11-29 14:48:30,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:48:30" (3/3) ... [2020-11-29 14:48:30,147 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2020-11-29 14:48:30,163 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 14:48:30,168 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 14:48:30,181 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 14:48:30,210 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 14:48:30,211 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 14:48:30,211 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 14:48:30,211 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 14:48:30,211 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 14:48:30,211 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 14:48:30,211 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 14:48:30,212 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 14:48:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-29 14:48:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 14:48:30,233 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:48:30,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:48:30,234 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:48:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:48:30,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-29 14:48:30,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:48:30,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272532405] [2020-11-29 14:48:30,255 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 [2020-11-29 14:48:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:48:31,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 14:48:31,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:48:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:31,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:48:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:31,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272532405] [2020-11-29 14:48:31,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:48:31,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 14:48:31,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602515571] [2020-11-29 14:48:31,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 14:48:31,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:48:31,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 14:48:31,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:48:31,313 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-29 14:48:31,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:48:31,357 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-29 14:48:31,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 14:48:31,359 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 14:48:31,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:48:31,372 INFO L225 Difference]: With dead ends: 220 [2020-11-29 14:48:31,372 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 14:48:31,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:48:31,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 14:48:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 14:48:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 14:48:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-29 14:48:31,428 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-29 14:48:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:48:31,428 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-29 14:48:31,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 14:48:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-29 14:48:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 14:48:31,430 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:48:31,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:48:31,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 14:48:31,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:48:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:48:31,646 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-29 14:48:31,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:48:31,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021047167] [2020-11-29 14:48:31,648 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 [2020-11-29 14:48:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:48:32,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 14:48:32,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:48:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:34,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:48:34,767 INFO L626 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 14:48:35,145 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-11-29 14:48:35,415 INFO L626 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 14:48:35,882 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-29 14:48:35,889 INFO L626 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 14:48:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:36,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021047167] [2020-11-29 14:48:36,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:48:36,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-29 14:48:36,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127767645] [2020-11-29 14:48:36,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 14:48:36,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:48:36,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 14:48:36,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-29 14:48:36,133 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-11-29 14:48:38,757 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 14:48:39,293 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-11-29 14:48:40,062 WARN L197 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 14:48:40,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:48:40,346 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-11-29 14:48:40,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 14:48:40,350 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-29 14:48:40,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:48:40,351 INFO L225 Difference]: With dead ends: 114 [2020-11-29 14:48:40,351 INFO L226 Difference]: Without dead ends: 19 [2020-11-29 14:48:40,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-11-29 14:48:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-29 14:48:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-29 14:48:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 14:48:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-29 14:48:40,357 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-11-29 14:48:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:48:40,358 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-29 14:48:40,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 14:48:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-29 14:48:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 14:48:40,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:48:40,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:48:40,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 14:48:40,573 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:48:40,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:48:40,575 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2020-11-29 14:48:40,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:48:40,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984357600] [2020-11-29 14:48:40,577 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 [2020-11-29 14:48:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:48:41,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 14:48:41,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:48:41,963 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 14:48:42,178 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 14:48:42,585 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 14:48:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:42,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:48:45,373 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-29 14:48:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:45,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984357600] [2020-11-29 14:48:45,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:48:45,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-29 14:48:45,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555657533] [2020-11-29 14:48:45,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 14:48:45,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:48:45,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 14:48:45,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-29 14:48:45,396 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-11-29 14:48:46,098 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-29 14:48:46,658 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-29 14:48:47,300 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-11-29 14:48:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:48:47,301 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-29 14:48:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 14:48:47,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-11-29 14:48:47,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:48:47,302 INFO L225 Difference]: With dead ends: 19 [2020-11-29 14:48:47,303 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 14:48:47,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-29 14:48:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 14:48:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 14:48:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 14:48:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 14:48:47,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-29 14:48:47,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:48:47,305 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 14:48:47,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 14:48:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 14:48:47,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 14:48:47,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 14:48:47,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 14:48:47,745 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-11-29 14:48:47,961 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-11-29 14:48:48,282 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 14:48:48,322 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 14:48:48,322 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 14:48:48,322 INFO L262 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-29 14:48:48,322 INFO L262 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-29 14:48:48,323 INFO L262 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-29 14:48:48,323 INFO L262 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-29 14:48:48,323 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-29 14:48:48,323 INFO L262 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:48:48,323 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L265 CegarLoopResult]: At program point L237(lines 217 238) the Hoare annotation is: true [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-29 14:48:48,324 INFO L262 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-29 14:48:48,325 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 14:48:48,325 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 14:48:48,325 INFO L262 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-29 14:48:48,325 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-29 14:48:48,325 INFO L262 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-29 14:48:48,325 INFO L262 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-29 14:48:48,326 INFO L262 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L258 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L262 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-29 14:48:48,327 INFO L258 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-29 14:48:48,328 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-29 14:48:48,328 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-29 14:48:48,328 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-29 14:48:48,328 INFO L262 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-29 14:48:48,328 INFO L258 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-29 14:48:48,329 INFO L262 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-29 14:48:48,329 INFO L258 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-29 14:48:48,329 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 14:48:48,329 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 14:48:48,329 INFO L262 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-29 14:48:48,329 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 14:48:48,330 INFO L258 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-29 14:48:48,330 INFO L262 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:48:48,330 INFO L262 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-29 14:48:48,331 INFO L262 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:48:48,331 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:48:48,331 INFO L262 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-29 14:48:48,331 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:48:48,331 INFO L262 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:48:48,331 INFO L262 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-29 14:48:48,332 INFO L262 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:48:48,332 INFO L262 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-29 14:48:48,332 INFO L262 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-29 14:48:48,332 INFO L262 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:48:48,332 INFO L262 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-29 14:48:48,332 INFO L262 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:48:48,333 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 14:48:48,333 INFO L262 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-29 14:48:48,333 INFO L262 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-29 14:48:48,333 INFO L262 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-29 14:48:48,333 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:48:48,334 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-29 14:48:48,334 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:48:48,334 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:48:48,334 INFO L258 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-29 14:48:48,334 INFO L262 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:48:48,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 14:48:48,335 INFO L262 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-29 14:48:48,335 INFO L262 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-29 14:48:48,335 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-29 14:48:48,335 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-29 14:48:48,336 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-29 14:48:48,336 INFO L262 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-29 14:48:48,336 INFO L258 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-29 14:48:48,336 INFO L258 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-29 14:48:48,336 INFO L258 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-29 14:48:48,337 INFO L262 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-29 14:48:48,337 INFO L262 CegarLoopResult]: For program point L226(lines 226 235) no Hoare annotation was computed. [2020-11-29 14:48:48,337 INFO L262 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-29 14:48:48,337 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 14:48:48,337 INFO L262 CegarLoopResult]: For program point L226-2(lines 226 235) no Hoare annotation was computed. [2020-11-29 14:48:48,337 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 14:48:48,338 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 14:48:48,338 INFO L262 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-29 14:48:48,338 INFO L262 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-29 14:48:48,338 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-29 14:48:48,338 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 14:48:48,339 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-29 14:48:48,339 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-29 14:48:48,339 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-29 14:48:48,339 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-29 14:48:48,339 INFO L262 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-29 14:48:48,340 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 14:48:48,340 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 14:48:48,340 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 14:48:48,340 INFO L262 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-11-29 14:48:48,340 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-29 14:48:48,341 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-29 14:48:48,341 INFO L262 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-29 14:48:48,341 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-29 14:48:48,341 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 14:48:48,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:48:48 BoogieIcfgContainer [2020-11-29 14:48:48,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 14:48:48,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 14:48:48,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 14:48:48,390 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 14:48:48,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:48:30" (3/4) ... [2020-11-29 14:48:48,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 14:48:48,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-29 14:48:48,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-29 14:48:48,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 14:48:48,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 14:48:48,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-29 14:48:48,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-29 14:48:48,600 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-29 14:48:48,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 14:48:48,602 INFO L168 Benchmark]: Toolchain (without parser) took 54322.33 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 30.8 MB in the beginning and 28.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,602 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:48:48,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.37 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 27.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.62 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.8 MB in the beginning and 55.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,605 INFO L168 Benchmark]: Boogie Preprocessor took 78.18 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 51.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,605 INFO L168 Benchmark]: RCFGBuilder took 35223.67 ms. Allocated memory is still 73.4 MB. Free memory was 51.7 MB in the beginning and 32.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,606 INFO L168 Benchmark]: TraceAbstraction took 18261.90 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 35.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,606 INFO L168 Benchmark]: Witness Printer took 211.93 ms. Allocated memory is still 73.4 MB. Free memory was 35.9 MB in the beginning and 28.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:48,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.37 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 27.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.62 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.8 MB in the beginning and 55.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.18 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 51.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 35223.67 ms. Allocated memory is still 73.4 MB. Free memory was 51.7 MB in the beginning and 32.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18261.90 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 35.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 211.93 ms. Allocated memory is still 73.4 MB. Free memory was 35.9 MB in the beginning and 28.1 MB in the end (delta: 7.9 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-11-29 14:48:48,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-11-29 14:48:48,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2020-11-29 14:48:48,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,658 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,659 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:48:48,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:48:48,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:48:48,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:48:48,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 116 SDslu, 78 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 179 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10849 SizeOfPredicates, 18 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...