./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.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_1130a.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 07cf728e594e227dafc07e33770c9952635c513c ......................................................................................................................................................................................................................................................................................................... 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_1130a.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 07cf728e594e227dafc07e33770c9952635c513c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:51:43,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 15:51:43,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 15:51:43,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 15:51:43,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 15:51:43,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 15:51:43,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 15:51:43,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 15:51:43,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 15:51:43,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 15:51:43,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 15:51:43,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 15:51:43,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 15:51:43,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 15:51:43,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 15:51:43,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 15:51:43,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 15:51:43,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 15:51:43,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 15:51:43,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 15:51:43,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 15:51:43,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 15:51:43,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 15:51:43,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 15:51:43,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 15:51:43,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 15:51:43,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 15:51:43,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 15:51:43,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 15:51:43,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 15:51:43,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 15:51:43,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 15:51:43,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 15:51:43,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 15:51:43,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 15:51:43,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 15:51:43,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 15:51:43,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 15:51:43,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 15:51:43,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 15:51:43,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 15:51:43,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 15:51:43,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 15:51:43,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 15:51:43,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 15:51:43,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 15:51:43,979 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 15:51:43,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 15:51:43,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 15:51:43,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 15:51:43,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 15:51:43,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 15:51:43,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 15:51:43,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 15:51:43,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 15:51:43,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 15:51:43,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 15:51:43,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 15:51:43,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 15:51:43,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 15:51:43,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 15:51:43,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 15:51:43,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 15:51:43,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 15:51:43,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 15:51:43,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 15:51:43,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 15:51:43,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 15:51:43,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 15:51:43,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 15:51:43,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 15:51:43,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-11-29 15:51:44,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 15:51:44,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 15:51:44,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 15:51:44,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 15:51:44,421 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 15:51:44,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-11-29 15:51:44,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119e1dbc4/b962f92714b1499a9c7152f0466093be/FLAGa5d3026d6 [2020-11-29 15:51:45,066 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 15:51:45,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-11-29 15:51:45,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119e1dbc4/b962f92714b1499a9c7152f0466093be/FLAGa5d3026d6 [2020-11-29 15:51:45,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119e1dbc4/b962f92714b1499a9c7152f0466093be [2020-11-29 15:51:45,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 15:51:45,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 15:51:45,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 15:51:45,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 15:51:45,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 15:51:45,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42772b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45, skipping insertion in model container [2020-11-29 15:51:45,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 15:51:45,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 15:51:45,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:51:45,766 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 15:51:45,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:51:45,875 INFO L208 MainTranslator]: Completed translation [2020-11-29 15:51:45,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45 WrapperNode [2020-11-29 15:51:45,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 15:51:45,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 15:51:45,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 15:51:45,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 15:51:45,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 15:51:45,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 15:51:45,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 15:51:45,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 15:51:45,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (1/1) ... [2020-11-29 15:51:45,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 15:51:45,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 15:51:45,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 15:51:45,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 15:51:45,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (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 15:51:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 15:51:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 15:51:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 15:51:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 15:51:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 15:51:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 15:51:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 15:51:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 15:51:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 15:51:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 15:51:46,806 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 15:51:46,807 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-29 15:51:46,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:46 BoogieIcfgContainer [2020-11-29 15:51:46,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 15:51:46,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 15:51:46,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 15:51:46,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 15:51:46,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:51:45" (1/3) ... [2020-11-29 15:51:46,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f18de38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:51:46, skipping insertion in model container [2020-11-29 15:51:46,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:45" (2/3) ... [2020-11-29 15:51:46,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f18de38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:51:46, skipping insertion in model container [2020-11-29 15:51:46,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:46" (3/3) ... [2020-11-29 15:51:46,819 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-11-29 15:51:46,834 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 15:51:46,839 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 15:51:46,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 15:51:46,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 15:51:46,884 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 15:51:46,884 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 15:51:46,884 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 15:51:46,884 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 15:51:46,884 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 15:51:46,885 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 15:51:46,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 15:51:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-11-29 15:51:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 15:51:46,908 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:51:46,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:51:46,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:51:46,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:51:46,917 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-11-29 15:51:46,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 15:51:46,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006719551] [2020-11-29 15:51:46,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 15:51:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:51:47,168 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 15:51:47,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006719551] [2020-11-29 15:51:47,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:51:47,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 15:51:47,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11013591] [2020-11-29 15:51:47,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 15:51:47,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 15:51:47,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 15:51:47,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 15:51:47,200 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-11-29 15:51:47,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:51:47,234 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-11-29 15:51:47,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 15:51:47,236 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 15:51:47,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:51:47,257 INFO L225 Difference]: With dead ends: 94 [2020-11-29 15:51:47,262 INFO L226 Difference]: Without dead ends: 44 [2020-11-29 15:51:47,268 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 15:51:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-29 15:51:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-29 15:51:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-29 15:51:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-11-29 15:51:47,330 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-11-29 15:51:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:51:47,331 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-11-29 15:51:47,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 15:51:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-29 15:51:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 15:51:47,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:51:47,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:51:47,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 15:51:47,336 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:51:47,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:51:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-11-29 15:51:47,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 15:51:47,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616126241] [2020-11-29 15:51:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 15:51:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 15:51:47,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 15:51:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 15:51:47,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 15:51:47,612 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 15:51:47,613 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 15:51:47,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 15:51:47,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:51:47 BoogieIcfgContainer [2020-11-29 15:51:47,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 15:51:47,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 15:51:47,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 15:51:47,652 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 15:51:47,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:46" (3/4) ... [2020-11-29 15:51:47,656 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 15:51:47,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 15:51:47,659 INFO L168 Benchmark]: Toolchain (without parser) took 2218.50 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.6 MB in the beginning and 47.1 MB in the end (delta: -24.5 MB). Peak memory consumption was 981.7 kB. Max. memory is 16.1 GB. [2020-11-29 15:51:47,660 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory is still 25.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 15:51:47,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.51 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 32.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-29 15:51:47,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.89 ms. Allocated memory is still 56.6 MB. Free memory was 32.0 MB in the beginning and 29.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:51:47,663 INFO L168 Benchmark]: Boogie Preprocessor took 44.90 ms. Allocated memory is still 56.6 MB. Free memory was 29.9 MB in the beginning and 28.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:51:47,664 INFO L168 Benchmark]: RCFGBuilder took 826.18 ms. Allocated memory is still 56.6 MB. Free memory was 28.0 MB in the beginning and 30.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-11-29 15:51:47,665 INFO L168 Benchmark]: TraceAbstraction took 839.80 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 47.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-29 15:51:47,666 INFO L168 Benchmark]: Witness Printer took 5.29 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 47.1 MB in the end (delta: 375.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 15:51:47,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory is still 25.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.51 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 32.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.89 ms. Allocated memory is still 56.6 MB. Free memory was 32.0 MB in the beginning and 29.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.90 ms. Allocated memory is still 56.6 MB. Free memory was 29.9 MB in the beginning and 28.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 826.18 ms. Allocated memory is still 56.6 MB. Free memory was 28.0 MB in the beginning and 30.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 839.80 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 47.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.29 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 47.1 MB in the end (delta: 375.3 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 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_1130a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 65 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=49occurred 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 15:51:50,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 15:51:50,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 15:51:50,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 15:51:50,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 15:51:50,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 15:51:50,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 15:51:50,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 15:51:50,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 15:51:50,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 15:51:50,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 15:51:50,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 15:51:50,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 15:51:50,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 15:51:50,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 15:51:50,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 15:51:50,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 15:51:50,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 15:51:50,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 15:51:50,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 15:51:50,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 15:51:50,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 15:51:50,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 15:51:50,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 15:51:50,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 15:51:50,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 15:51:50,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 15:51:50,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 15:51:50,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 15:51:50,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 15:51:50,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 15:51:50,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 15:51:50,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 15:51:50,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 15:51:50,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 15:51:50,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 15:51:50,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 15:51:50,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 15:51:50,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 15:51:50,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 15:51:50,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 15:51:50,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 15:51:50,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 15:51:50,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 15:51:50,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 15:51:50,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 15:51:50,467 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 15:51:50,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 15:51:50,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 15:51:50,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 15:51:50,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 15:51:50,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 15:51:50,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 15:51:50,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 15:51:50,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 15:51:50,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 15:51:50,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 15:51:50,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 15:51:50,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 15:51:50,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 15:51:50,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 15:51:50,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 15:51:50,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 15:51:50,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 15:51:50,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 15:51:50,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 15:51:50,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 15:51:50,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 15:51:50,474 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 15:51:50,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 15:51:50,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 15:51:50,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 15:51:50,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 15:51:50,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-11-29 15:51:50,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 15:51:50,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 15:51:50,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 15:51:50,920 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 15:51:50,921 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 15:51:50,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-11-29 15:51:51,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f450f3cd/42a7e47050f04a0f8533b1f8f8406a56/FLAG6df0d7f9b [2020-11-29 15:51:51,685 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 15:51:51,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-11-29 15:51:51,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f450f3cd/42a7e47050f04a0f8533b1f8f8406a56/FLAG6df0d7f9b [2020-11-29 15:51:52,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f450f3cd/42a7e47050f04a0f8533b1f8f8406a56 [2020-11-29 15:51:52,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 15:51:52,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 15:51:52,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 15:51:52,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 15:51:52,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 15:51:52,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b339c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52, skipping insertion in model container [2020-11-29 15:51:52,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 15:51:52,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 15:51:52,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:51:52,365 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 15:51:52,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:51:52,490 INFO L208 MainTranslator]: Completed translation [2020-11-29 15:51:52,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52 WrapperNode [2020-11-29 15:51:52,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 15:51:52,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 15:51:52,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 15:51:52,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 15:51:52,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 15:51:52,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 15:51:52,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 15:51:52,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 15:51:52,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (1/1) ... [2020-11-29 15:51:52,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 15:51:52,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 15:51:52,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 15:51:52,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 15:51:52,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (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 15:51:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 15:51:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 15:51:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 15:51:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 15:51:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 15:51:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 15:51:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 15:51:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 15:51:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 15:51:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 15:51:55,816 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 15:51:55,817 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-29 15:51:55,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:55 BoogieIcfgContainer [2020-11-29 15:51:55,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 15:51:55,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 15:51:55,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 15:51:55,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 15:51:55,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:51:52" (1/3) ... [2020-11-29 15:51:55,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a5f4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:51:55, skipping insertion in model container [2020-11-29 15:51:55,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:51:52" (2/3) ... [2020-11-29 15:51:55,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a5f4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:51:55, skipping insertion in model container [2020-11-29 15:51:55,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:55" (3/3) ... [2020-11-29 15:51:55,829 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-11-29 15:51:55,845 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 15:51:55,850 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 15:51:55,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 15:51:55,891 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 15:51:55,892 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 15:51:55,892 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 15:51:55,892 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 15:51:55,892 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 15:51:55,893 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 15:51:55,893 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 15:51:55,893 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 15:51:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-11-29 15:51:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 15:51:55,915 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:51:55,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:51:55,916 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:51:55,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:51:55,924 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-11-29 15:51:55,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:51:55,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076046519] [2020-11-29 15:51:55,940 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 15:51:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:51:56,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 15:51:56,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:51:56,311 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 15:51:56,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:51:56,322 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 15:51:56,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076046519] [2020-11-29 15:51:56,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:51:56,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 15:51:56,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684052687] [2020-11-29 15:51:56,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 15:51:56,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:51:56,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 15:51:56,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 15:51:56,349 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-11-29 15:51:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:51:56,375 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-11-29 15:51:56,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 15:51:56,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 15:51:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:51:56,387 INFO L225 Difference]: With dead ends: 94 [2020-11-29 15:51:56,388 INFO L226 Difference]: Without dead ends: 44 [2020-11-29 15:51:56,391 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 15:51:56,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-29 15:51:56,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-29 15:51:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-29 15:51:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-11-29 15:51:56,429 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-11-29 15:51:56,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:51:56,430 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-11-29 15:51:56,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 15:51:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-29 15:51:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 15:51:56,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:51:56,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:51:56,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 15:51:56,647 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:51:56,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:51:56,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-11-29 15:51:56,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:51:56,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546141112] [2020-11-29 15:51:56,651 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 15:51:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:51:56,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 15:51:56,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:51:57,251 INFO L626 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 15:51:57,591 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-11-29 15:51:57,623 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 15:51:57,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:51:57,800 INFO L626 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-29 15:51:57,993 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-11-29 15:51:58,087 INFO L626 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-29 15:51:58,447 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-29 15:51:58,457 INFO L626 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-11-29 15:51:58,562 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 15:51:58,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546141112] [2020-11-29 15:51:58,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:51:58,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-29 15:51:58,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194045685] [2020-11-29 15:51:58,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 15:51:58,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:51:58,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 15:51:58,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-29 15:51:58,567 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2020-11-29 15:51:59,081 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-11-29 15:51:59,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:51:59,107 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2020-11-29 15:51:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 15:51:59,108 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-29 15:51:59,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:51:59,109 INFO L225 Difference]: With dead ends: 53 [2020-11-29 15:51:59,109 INFO L226 Difference]: Without dead ends: 19 [2020-11-29 15:51:59,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-11-29 15:51:59,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-29 15:51:59,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-29 15:51:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 15:51:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-29 15:51:59,116 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2020-11-29 15:51:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:51:59,117 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-29 15:51:59,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 15:51:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-29 15:51:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 15:51:59,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:51:59,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:51:59,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 15:51:59,333 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:51:59,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:51:59,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2020-11-29 15:51:59,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:51:59,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837563036] [2020-11-29 15:51:59,337 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 15:51:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:51:59,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 15:51:59,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:51:59,604 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 15:51:59,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:51:59,785 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 15:51:59,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837563036] [2020-11-29 15:51:59,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:51:59,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-11-29 15:51:59,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477756671] [2020-11-29 15:51:59,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 15:51:59,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:51:59,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 15:51:59,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-29 15:51:59,796 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-11-29 15:52:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:52:00,051 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-29 15:52:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 15:52:00,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-29 15:52:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:52:00,052 INFO L225 Difference]: With dead ends: 22 [2020-11-29 15:52:00,053 INFO L226 Difference]: Without dead ends: 19 [2020-11-29 15:52:00,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-11-29 15:52:00,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-29 15:52:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-29 15:52:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 15:52:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-29 15:52:00,058 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-11-29 15:52:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:52:00,059 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-29 15:52:00,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 15:52:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-29 15:52:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 15:52:00,060 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:52:00,060 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 15:52:00,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 15:52:00,270 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:52:00,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:52:00,272 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2020-11-29 15:52:00,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:52:00,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780946090] [2020-11-29 15:52:00,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 15:52:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:52:00,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 15:52:00,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:52:00,607 INFO L626 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 15:52:00,742 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 15:52:00,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:52:01,377 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 15:52:01,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780946090] [2020-11-29 15:52:01,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:52:01,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-11-29 15:52:01,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457495921] [2020-11-29 15:52:01,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-29 15:52:01,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:52:01,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-29 15:52:01,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-11-29 15:52:01,381 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2020-11-29 15:52:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:52:02,102 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-29 15:52:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 15:52:02,103 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2020-11-29 15:52:02,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:52:02,104 INFO L225 Difference]: With dead ends: 19 [2020-11-29 15:52:02,104 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 15:52:02,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-11-29 15:52:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 15:52:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 15:52:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 15:52:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 15:52:02,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-29 15:52:02,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:52:02,107 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 15:52:02,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-29 15:52:02,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 15:52:02,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 15:52:02,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 15:52:02,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 15:52:02,533 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-11-29 15:52:02,672 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-29 15:52:02,807 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-11-29 15:52:02,862 INFO L262 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-11-29 15:52:02,862 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-11-29 15:52:02,862 INFO L262 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-11-29 15:52:02,862 INFO L262 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-11-29 15:52:02,863 INFO L258 CegarLoopResult]: At program point L118(lines 109 119) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short24| (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))) [2020-11-29 15:52:02,863 INFO L262 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-11-29 15:52:02,863 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-11-29 15:52:02,863 INFO L258 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-11-29 15:52:02,863 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 15:52:02,863 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-11-29 15:52:02,864 INFO L262 CegarLoopResult]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2020-11-29 15:52:02,865 INFO L258 CegarLoopResult]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short24|) [2020-11-29 15:52:02,865 INFO L262 CegarLoopResult]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2020-11-29 15:52:02,867 INFO L262 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-11-29 15:52:02,867 INFO L262 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-11-29 15:52:02,868 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-11-29 15:52:02,869 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2020-11-29 15:52:02,869 INFO L262 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-11-29 15:52:02,869 INFO L262 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-11-29 15:52:02,869 INFO L258 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24))))) [2020-11-29 15:52:02,869 INFO L262 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-29 15:52:02,869 INFO L262 CegarLoopResult]: For program point L131(lines 131 140) no Hoare annotation was computed. [2020-11-29 15:52:02,869 INFO L262 CegarLoopResult]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2020-11-29 15:52:02,870 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 15:52:02,870 INFO L262 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-11-29 15:52:02,870 INFO L258 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-11-29 15:52:02,870 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 15:52:02,870 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-11-29 15:52:02,870 INFO L258 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-11-29 15:52:02,870 INFO L262 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-11-29 15:52:02,870 INFO L258 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-11-29 15:52:02,871 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-11-29 15:52:02,871 INFO L262 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-11-29 15:52:02,872 INFO L265 CegarLoopResult]: At program point L142(lines 121 143) the Hoare annotation is: true [2020-11-29 15:52:02,872 INFO L262 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-11-29 15:52:02,872 INFO L258 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-11-29 15:52:02,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:02,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:02,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:52:02 BoogieIcfgContainer [2020-11-29 15:52:02,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 15:52:02,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 15:52:02,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 15:52:02,941 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 15:52:02,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:51:55" (3/4) ... [2020-11-29 15:52:02,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 15:52:02,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 15:52:02,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 15:52:02,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 15:52:02,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 15:52:03,034 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-29 15:52:03,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 15:52:03,036 INFO L168 Benchmark]: Toolchain (without parser) took 11028.07 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 35.2 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,039 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 15:52:03,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.23 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 28.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.40 ms. Allocated memory is still 44.0 MB. Free memory was 28.5 MB in the beginning and 26.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,042 INFO L168 Benchmark]: Boogie Preprocessor took 54.32 ms. Allocated memory is still 44.0 MB. Free memory was 26.4 MB in the beginning and 24.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,043 INFO L168 Benchmark]: RCFGBuilder took 3215.69 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 31.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,044 INFO L168 Benchmark]: TraceAbstraction took 7118.45 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 16.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,044 INFO L168 Benchmark]: Witness Printer took 94.63 ms. Allocated memory is still 54.5 MB. Free memory was 16.8 MB in the beginning and 35.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:52:03,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.23 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 28.5 MB in the end (delta: -7.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.40 ms. Allocated memory is still 44.0 MB. Free memory was 28.5 MB in the beginning and 26.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.32 ms. Allocated memory is still 44.0 MB. Free memory was 26.4 MB in the beginning and 24.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3215.69 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 31.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7118.45 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 16.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 94.63 ms. Allocated memory is still 54.5 MB. Free memory was 16.8 MB in the beginning and 35.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * 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: 19]: Loop Invariant [2020-11-29 15:52:03,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 109]: Loop Invariant [2020-11-29 15:52:03,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant [2020-11-29 15:52:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-11-29 15:52:03,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-11-29 15:52:03,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 170 SDslu, 108 SDs, 0 SdLazy, 70 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 200 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...