./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910a.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_0910a.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 46393d2b09f76a2aebf7966ac49ef5fe23671a72 .......................................................................................................................................................................................................................................................................................................... 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_0910a.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 46393d2b09f76a2aebf7966ac49ef5fe23671a72 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:19:30,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 15:19:30,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 15:19:30,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 15:19:30,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 15:19:30,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 15:19:30,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 15:19:30,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 15:19:30,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 15:19:30,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 15:19:30,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 15:19:30,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 15:19:30,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 15:19:30,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 15:19:30,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 15:19:30,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 15:19:30,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 15:19:30,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 15:19:30,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 15:19:30,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 15:19:30,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 15:19:30,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 15:19:30,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 15:19:30,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 15:19:30,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 15:19:30,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 15:19:30,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 15:19:30,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 15:19:30,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 15:19:30,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 15:19:30,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 15:19:30,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 15:19:30,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 15:19:30,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 15:19:30,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 15:19:30,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 15:19:30,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 15:19:30,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 15:19:30,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 15:19:30,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 15:19:30,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 15:19:30,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 15:19:30,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 15:19:30,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 15:19:30,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 15:19:30,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 15:19:30,947 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 15:19:30,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 15:19:30,947 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 15:19:30,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 15:19:30,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 15:19:30,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 15:19:30,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 15:19:30,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 15:19:30,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 15:19:30,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 15:19:30,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 15:19:30,950 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 15:19:30,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 15:19:30,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 15:19:30,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 15:19:30,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 15:19:30,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 15:19:30,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 15:19:30,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 15:19:30,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 15:19:30,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 15:19:30,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 15:19:30,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 15:19:30,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 15:19:30,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 15:19:30,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46393d2b09f76a2aebf7966ac49ef5fe23671a72 [2020-11-29 15:19:31,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 15:19:31,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 15:19:31,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 15:19:31,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 15:19:31,362 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 15:19:31,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910a.c [2020-11-29 15:19:31,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814ba361c/ce0fba2e8ca84dd4952ea4590f472f2d/FLAGa72d26899 [2020-11-29 15:19:32,196 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 15:19:32,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0910a.c [2020-11-29 15:19:32,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814ba361c/ce0fba2e8ca84dd4952ea4590f472f2d/FLAGa72d26899 [2020-11-29 15:19:32,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814ba361c/ce0fba2e8ca84dd4952ea4590f472f2d [2020-11-29 15:19:32,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 15:19:32,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 15:19:32,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 15:19:32,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 15:19:32,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 15:19:32,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:32,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de67b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32, skipping insertion in model container [2020-11-29 15:19:32,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:32,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 15:19:32,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 15:19:32,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:19:32,839 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 15:19:32,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:19:32,962 INFO L208 MainTranslator]: Completed translation [2020-11-29 15:19:32,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32 WrapperNode [2020-11-29 15:19:32,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 15:19:32,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 15:19:32,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 15:19:32,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 15:19:32,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:32,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 15:19:33,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 15:19:33,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 15:19:33,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 15:19:33,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (1/1) ... [2020-11-29 15:19:33,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 15:19:33,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 15:19:33,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 15:19:33,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 15:19:33,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (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 15:19:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 15:19:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 15:19:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 15:19:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 15:19:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 15:19:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 15:19:33,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 15:19:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 15:19:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 15:19:33,768 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 15:19:33,769 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 15:19:33,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:19:33 BoogieIcfgContainer [2020-11-29 15:19:33,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 15:19:33,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 15:19:33,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 15:19:33,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 15:19:33,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:19:32" (1/3) ... [2020-11-29 15:19:33,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b2c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:19:33, skipping insertion in model container [2020-11-29 15:19:33,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:32" (2/3) ... [2020-11-29 15:19:33,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b2c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:19:33, skipping insertion in model container [2020-11-29 15:19:33,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:19:33" (3/3) ... [2020-11-29 15:19:33,781 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a.c [2020-11-29 15:19:33,800 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 15:19:33,805 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 15:19:33,819 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 15:19:33,849 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 15:19:33,849 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 15:19:33,849 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 15:19:33,850 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 15:19:33,850 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 15:19:33,850 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 15:19:33,850 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 15:19:33,851 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 15:19:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-29 15:19:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 15:19:33,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:19:33,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:19:33,876 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:19:33,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:19:33,884 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2020-11-29 15:19:33,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 15:19:33,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059879839] [2020-11-29 15:19:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 15:19:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:19:34,088 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 15:19:34,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059879839] [2020-11-29 15:19:34,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:19:34,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 15:19:34,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024142200] [2020-11-29 15:19:34,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 15:19:34,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 15:19:34,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 15:19:34,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 15:19:34,118 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-29 15:19:34,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:19:34,141 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-11-29 15:19:34,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 15:19:34,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 15:19:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:19:34,155 INFO L225 Difference]: With dead ends: 65 [2020-11-29 15:19:34,155 INFO L226 Difference]: Without dead ends: 30 [2020-11-29 15:19:34,159 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 15:19:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-29 15:19:34,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-29 15:19:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-29 15:19:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-11-29 15:19:34,201 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2020-11-29 15:19:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:19:34,201 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-29 15:19:34,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 15:19:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-29 15:19:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 15:19:34,203 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:19:34,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:19:34,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 15:19:34,204 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:19:34,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:19:34,205 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2020-11-29 15:19:34,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 15:19:34,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244782146] [2020-11-29 15:19:34,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 15:19:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 15:19:34,284 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 15:19:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 15:19:34,365 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 15:19:34,402 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 15:19:34,402 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 15:19:34,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 15:19:34,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:19:34 BoogieIcfgContainer [2020-11-29 15:19:34,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 15:19:34,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 15:19:34,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 15:19:34,462 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 15:19:34,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:19:33" (3/4) ... [2020-11-29 15:19:34,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 15:19:34,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 15:19:34,473 INFO L168 Benchmark]: Toolchain (without parser) took 1952.80 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.8 MB in the beginning and 26.9 MB in the end (delta: -24.0 kB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-11-29 15:19:34,474 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 26.5 MB in the beginning and 26.5 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 15:19:34,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.96 ms. Allocated memory is still 50.3 MB. Free memory was 26.3 MB in the beginning and 27.7 MB in the end (delta: -1.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-29 15:19:34,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 25.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:19:34,477 INFO L168 Benchmark]: Boogie Preprocessor took 88.63 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 24.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:19:34,479 INFO L168 Benchmark]: RCFGBuilder took 658.71 ms. Allocated memory is still 50.3 MB. Free memory was 24.0 MB in the beginning and 28.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-11-29 15:19:34,480 INFO L168 Benchmark]: TraceAbstraction took 685.90 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 27.2 MB in the end (delta: 392.4 kB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-11-29 15:19:34,482 INFO L168 Benchmark]: Witness Printer took 5.56 ms. Allocated memory is still 60.8 MB. Free memory was 27.2 MB in the beginning and 26.9 MB in the end (delta: 324.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 15:19:34,494 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 39.8 MB. Free memory was 26.5 MB in the beginning and 26.5 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.96 ms. Allocated memory is still 50.3 MB. Free memory was 26.3 MB in the beginning and 27.7 MB in the end (delta: -1.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 25.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.63 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 24.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 658.71 ms. Allocated memory is still 50.3 MB. Free memory was 24.0 MB in the beginning and 28.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 685.90 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 27.2 MB in the end (delta: 392.4 kB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.56 ms. Allocated memory is still 60.8 MB. Free memory was 27.2 MB in the beginning and 26.9 MB in the end (delta: 324.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 45, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L25-L29] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L31] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] float x = 0.0f; [L34] float hfsq, f, s, z, R, w, t1, t2, dk; [L35] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L38] ieee_float_shape_type gf_u; [L39] gf_u.value = (x) [L40] EXPR gf_u.word [L40] (ix) = gf_u.word [L43] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L44] COND TRUE ((ix & 0x7fffffff) == 0) [L45] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L118] float res = __ieee754_logf(x); [L15] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L21] ix &= 0x7fffffff [L22] return ((ix) == 0x7f800000L); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L121] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0910a.c", 3, "reach_error") VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 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=34occurred 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 15:19:37,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 15:19:37,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 15:19:37,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 15:19:37,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 15:19:37,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 15:19:37,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 15:19:37,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 15:19:37,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 15:19:37,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 15:19:37,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 15:19:37,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 15:19:37,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 15:19:37,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 15:19:37,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 15:19:37,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 15:19:37,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 15:19:37,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 15:19:37,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 15:19:37,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 15:19:37,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 15:19:37,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 15:19:37,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 15:19:37,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 15:19:37,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 15:19:37,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 15:19:37,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 15:19:37,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 15:19:37,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 15:19:37,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 15:19:37,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 15:19:37,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 15:19:37,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 15:19:37,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 15:19:37,290 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 15:19:37,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 15:19:37,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 15:19:37,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 15:19:37,293 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 15:19:37,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 15:19:37,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 15:19:37,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 15:19:37,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 15:19:37,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 15:19:37,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 15:19:37,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 15:19:37,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 15:19:37,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 15:19:37,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 15:19:37,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 15:19:37,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 15:19:37,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 15:19:37,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 15:19:37,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 15:19:37,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 15:19:37,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 15:19:37,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 15:19:37,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 15:19:37,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 15:19:37,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 15:19:37,298 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 15:19:37,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 15:19:37,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 15:19:37,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 15:19:37,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 15:19:37,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46393d2b09f76a2aebf7966ac49ef5fe23671a72 [2020-11-29 15:19:37,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 15:19:37,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 15:19:37,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 15:19:37,728 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 15:19:37,729 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 15:19:37,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910a.c [2020-11-29 15:19:37,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a26c10b8/e0be263584a2402383f22cc0b91e1751/FLAG4084e5e9c [2020-11-29 15:19:38,431 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 15:19:38,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0910a.c [2020-11-29 15:19:38,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a26c10b8/e0be263584a2402383f22cc0b91e1751/FLAG4084e5e9c [2020-11-29 15:19:38,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a26c10b8/e0be263584a2402383f22cc0b91e1751 [2020-11-29 15:19:38,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 15:19:38,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 15:19:38,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 15:19:38,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 15:19:38,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 15:19:38,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:19:38" (1/1) ... [2020-11-29 15:19:38,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af81d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:38, skipping insertion in model container [2020-11-29 15:19:38,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:19:38" (1/1) ... [2020-11-29 15:19:38,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 15:19:38,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 15:19:39,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:19:39,152 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 15:19:39,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 15:19:39,229 INFO L208 MainTranslator]: Completed translation [2020-11-29 15:19:39,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39 WrapperNode [2020-11-29 15:19:39,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 15:19:39,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 15:19:39,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 15:19:39,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 15:19:39,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 15:19:39,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 15:19:39,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 15:19:39,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 15:19:39,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (1/1) ... [2020-11-29 15:19:39,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 15:19:39,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 15:19:39,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 15:19:39,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 15:19:39,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (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 15:19:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 15:19:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 15:19:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 15:19:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 15:19:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 15:19:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 15:19:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 15:19:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 15:19:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 15:20:01,744 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 15:20:01,744 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 15:20:01,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:01 BoogieIcfgContainer [2020-11-29 15:20:01,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 15:20:01,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 15:20:01,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 15:20:01,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 15:20:01,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:19:38" (1/3) ... [2020-11-29 15:20:01,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496e8d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:20:01, skipping insertion in model container [2020-11-29 15:20:01,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:19:39" (2/3) ... [2020-11-29 15:20:01,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496e8d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:20:01, skipping insertion in model container [2020-11-29 15:20:01,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:01" (3/3) ... [2020-11-29 15:20:01,757 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a.c [2020-11-29 15:20:01,772 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 15:20:01,777 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 15:20:01,791 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 15:20:01,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 15:20:01,820 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 15:20:01,820 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 15:20:01,820 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 15:20:01,820 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 15:20:01,821 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 15:20:01,821 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 15:20:01,821 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 15:20:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-29 15:20:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 15:20:01,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:20:01,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:20:01,843 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:20:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:20:01,850 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2020-11-29 15:20:01,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:20:01,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791244346] [2020-11-29 15:20:01,875 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 15:20:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:20:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 15:20:02,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:20:02,597 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 15:20:02,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:20:02,613 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 15:20:02,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791244346] [2020-11-29 15:20:02,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:20:02,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 15:20:02,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639346327] [2020-11-29 15:20:02,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 15:20:02,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:20:02,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 15:20:02,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 15:20:02,639 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-29 15:20:02,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:20:02,660 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-11-29 15:20:02,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 15:20:02,662 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 15:20:02,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:20:02,681 INFO L225 Difference]: With dead ends: 65 [2020-11-29 15:20:02,681 INFO L226 Difference]: Without dead ends: 30 [2020-11-29 15:20:02,685 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 15:20:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-29 15:20:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-29 15:20:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-29 15:20:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-11-29 15:20:02,726 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2020-11-29 15:20:02,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:20:02,726 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-29 15:20:02,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 15:20:02,726 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-29 15:20:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 15:20:02,727 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:20:02,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:20:02,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 15:20:02,935 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:20:02,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:20:02,940 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2020-11-29 15:20:02,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:20:02,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070028594] [2020-11-29 15:20:02,946 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 15:20:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:20:03,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 15:20:03,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:20:03,902 INFO L626 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 15:20:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 15:20:04,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:20:07,244 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_isinf_float_~ix~0_10 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_10) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_10)) (fp.div c_currentRoundingMode (fp.neg c_~two25_log~0) c_~zero_log~0))))) is different from false [2020-11-29 15:20:09,280 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_isinf_float_~ix~0_10 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_10) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_10)) (fp.div c_currentRoundingMode (fp.neg c_~two25_log~0) c_~zero_log~0))))) is different from true [2020-11-29 15:20:09,313 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 15:20:09,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070028594] [2020-11-29 15:20:09,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:20:09,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-11-29 15:20:09,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443415159] [2020-11-29 15:20:09,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 15:20:09,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:20:09,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 15:20:09,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=128, Unknown=2, NotChecked=22, Total=182 [2020-11-29 15:20:09,319 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 14 states. [2020-11-29 15:20:10,230 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 15:20:11,124 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 15:20:11,950 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-11-29 15:20:12,145 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-11-29 15:20:39,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:20:39,903 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-11-29 15:20:39,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 15:20:39,927 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-29 15:20:39,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:20:39,928 INFO L225 Difference]: With dead ends: 46 [2020-11-29 15:20:39,928 INFO L226 Difference]: Without dead ends: 38 [2020-11-29 15:20:39,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=81, Invalid=227, Unknown=2, NotChecked=32, Total=342 [2020-11-29 15:20:39,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-29 15:20:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2020-11-29 15:20:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-29 15:20:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2020-11-29 15:20:39,937 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2020-11-29 15:20:39,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:20:39,937 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2020-11-29 15:20:39,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 15:20:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2020-11-29 15:20:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 15:20:39,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 15:20:39,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 15:20:40,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 15:20:40,152 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 15:20:40,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 15:20:40,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2020-11-29 15:20:40,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 15:20:40,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788300598] [2020-11-29 15:20:40,155 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 15:20:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 15:20:40,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 15:20:40,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 15:20:40,940 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 15:20:40,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 15:20:41,108 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 15:20:41,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788300598] [2020-11-29 15:20:41,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 15:20:41,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 15:20:41,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128959326] [2020-11-29 15:20:41,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 15:20:41,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 15:20:41,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 15:20:41,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 15:20:41,112 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand 6 states. [2020-11-29 15:20:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 15:20:41,210 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2020-11-29 15:20:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 15:20:41,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-29 15:20:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 15:20:41,216 INFO L225 Difference]: With dead ends: 30 [2020-11-29 15:20:41,216 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 15:20:41,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 15:20:41,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 15:20:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 15:20:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 15:20:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 15:20:41,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-11-29 15:20:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 15:20:41,219 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 15:20:41,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 15:20:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 15:20:41,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 15:20:41,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 15:20:41,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 15:20:41,594 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 15:20:41,767 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-11-29 15:20:41,894 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-29 15:20:42,021 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 15:20:42,024 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point L69(lines 69 85) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point L53-1(lines 53 57) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L258 CegarLoopResult]: At program point L53-2(lines 53 57) the Hoare annotation is: false [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point L70(lines 70 77) no Hoare annotation was computed. [2020-11-29 15:20:42,025 INFO L262 CegarLoopResult]: For program point L37-1(lines 37 41) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L258 CegarLoopResult]: At program point L37-2(lines 37 41) the Hoare annotation is: (and (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= (_ +zero 8 24) ULTIMATE.start___ieee754_logf_~x) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L62-1(lines 62 66) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L258 CegarLoopResult]: At program point L62-2(lines 62 66) the Hoare annotation is: false [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L79(lines 79 84) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L46(lines 46 47) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L104(lines 104 107) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L71(lines 71 76) no Hoare annotation was computed. [2020-11-29 15:20:42,026 INFO L262 CegarLoopResult]: For program point L96(lines 96 108) no Hoare annotation was computed. [2020-11-29 15:20:42,027 INFO L262 CegarLoopResult]: For program point L121(lines 121 124) no Hoare annotation was computed. [2020-11-29 15:20:42,027 INFO L258 CegarLoopResult]: At program point L22(lines 14 23) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= |ULTIMATE.start___ieee754_logf_#res| .cse0) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 ULTIMATE.start_isinf_float_~x) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32)))) [2020-11-29 15:20:42,028 INFO L262 CegarLoopResult]: For program point L48(lines 48 49) no Hoare annotation was computed. [2020-11-29 15:20:42,028 INFO L262 CegarLoopResult]: For program point L98(lines 98 102) no Hoare annotation was computed. [2020-11-29 15:20:42,028 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 15:20:42,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 15:20:42,029 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-29 15:20:42,029 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= |ULTIMATE.start___ieee754_logf_#res| .cse0) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0))) [2020-11-29 15:20:42,029 INFO L262 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-11-29 15:20:42,029 INFO L258 CegarLoopResult]: At program point L107(lines 33 109) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2020-11-29 15:20:42,030 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 15:20:42,030 INFO L262 CegarLoopResult]: For program point L50(lines 50 58) no Hoare annotation was computed. [2020-11-29 15:20:42,030 INFO L262 CegarLoopResult]: For program point L50-1(lines 50 58) no Hoare annotation was computed. [2020-11-29 15:20:42,030 INFO L265 CegarLoopResult]: At program point L125(lines 111 126) the Hoare annotation is: true [2020-11-29 15:20:42,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:20:42 BoogieIcfgContainer [2020-11-29 15:20:42,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 15:20:42,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 15:20:42,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 15:20:42,075 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 15:20:42,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:01" (3/4) ... [2020-11-29 15:20:42,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 15:20:42,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-29 15:20:42,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 15:20:42,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 15:20:42,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 15:20:42,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log [2020-11-29 15:20:42,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log [2020-11-29 15:20:42,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 [2020-11-29 15:20:42,176 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-29 15:20:42,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 15:20:42,180 INFO L168 Benchmark]: Toolchain (without parser) took 63351.12 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.5 MB in the beginning and 36.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,182 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 15:20:42,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.85 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 30.2 MB in the beginning and 39.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.27 ms. Allocated memory is still 54.5 MB. Free memory was 39.0 MB in the beginning and 37.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,183 INFO L168 Benchmark]: Boogie Preprocessor took 47.28 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 35.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,184 INFO L168 Benchmark]: RCFGBuilder took 22408.13 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 27.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,186 INFO L168 Benchmark]: TraceAbstraction took 40325.59 ms. Allocated memory is still 54.5 MB. Free memory was 26.7 MB in the beginning and 20.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,187 INFO L168 Benchmark]: Witness Printer took 104.62 ms. Allocated memory is still 54.5 MB. Free memory was 19.6 MB in the beginning and 36.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 15:20:42,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.85 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 30.2 MB in the beginning and 39.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.27 ms. Allocated memory is still 54.5 MB. Free memory was 39.0 MB in the beginning and 37.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.28 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 35.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22408.13 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 27.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40325.59 ms. Allocated memory is still 54.5 MB. Free memory was 26.7 MB in the beginning and 20.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Witness Printer took 104.62 ms. Allocated memory is still 54.5 MB. Free memory was 19.6 MB in the beginning and 36.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant [2020-11-29 15:20:42,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log - InvariantResult [Line: 14]: Loop Invariant [2020-11-29 15:20:42,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant [2020-11-29 15:20:42,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~Pluszero~LONGDOUBLE() == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2020-11-29 15:20:42,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 15:20:42,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 15:20:42,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 46 SDslu, 186 SDs, 0 SdLazy, 91 SolverSat, 5 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 28.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 147 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 8 QuantifiedInterpolants, 5188 SizeOfPredicates, 15 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...