./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 02:33:10,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 02:33:10,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 02:33:10,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 02:33:10,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 02:33:10,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 02:33:10,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 02:33:10,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 02:33:10,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 02:33:10,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 02:33:10,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 02:33:10,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 02:33:10,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 02:33:10,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 02:33:10,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 02:33:10,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 02:33:10,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 02:33:10,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 02:33:10,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 02:33:10,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 02:33:10,089 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 02:33:10,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 02:33:10,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 02:33:10,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 02:33:10,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 02:33:10,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 02:33:10,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 02:33:10,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 02:33:10,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 02:33:10,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 02:33:10,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 02:33:10,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 02:33:10,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 02:33:10,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 02:33:10,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 02:33:10,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 02:33:10,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 02:33:10,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 02:33:10,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 02:33:10,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 02:33:10,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 02:33:10,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 02:33:10,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 02:33:10,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 02:33:10,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 02:33:10,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 02:33:10,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 02:33:10,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 02:33:10,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 02:33:10,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 02:33:10,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 02:33:10,146 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 02:33:10,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 02:33:10,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 02:33:10,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 02:33:10,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 02:33:10,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 02:33:10,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 02:33:10,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 02:33:10,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 02:33:10,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 02:33:10,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 02:33:10,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 02:33:10,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 02:33:10,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 02:33:10,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 02:33:10,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 02:33:10,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:33:10,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 02:33:10,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 02:33:10,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 02:33:10,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 02:33:10,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 02:33:10,151 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 02:33:10,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 02:33:10,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 02:33:10,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2022-07-12 02:33:10,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 02:33:10,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 02:33:10,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 02:33:10,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 02:33:10,412 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 02:33:10,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-12 02:33:10,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc52b408d/2c4c657686284b2e9a4d6fd962ad069d/FLAGad0ea7a93 [2022-07-12 02:33:10,874 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 02:33:10,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-12 02:33:10,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc52b408d/2c4c657686284b2e9a4d6fd962ad069d/FLAGad0ea7a93 [2022-07-12 02:33:10,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc52b408d/2c4c657686284b2e9a4d6fd962ad069d [2022-07-12 02:33:10,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 02:33:10,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 02:33:10,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 02:33:10,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 02:33:10,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 02:33:10,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:33:10" (1/1) ... [2022-07-12 02:33:10,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ed160d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:10, skipping insertion in model container [2022-07-12 02:33:10,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:33:10" (1/1) ... [2022-07-12 02:33:10,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 02:33:10,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 02:33:11,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2022-07-12 02:33:11,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:33:11,096 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 02:33:11,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2022-07-12 02:33:11,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:33:11,135 INFO L208 MainTranslator]: Completed translation [2022-07-12 02:33:11,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11 WrapperNode [2022-07-12 02:33:11,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 02:33:11,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 02:33:11,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 02:33:11,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 02:33:11,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,172 INFO L137 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2022-07-12 02:33:11,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 02:33:11,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 02:33:11,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 02:33:11,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 02:33:11,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 02:33:11,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 02:33:11,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 02:33:11,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 02:33:11,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (1/1) ... [2022-07-12 02:33:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:33:11,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 02:33:11,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 02:33:11,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 02:33:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 02:33:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 02:33:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 02:33:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 02:33:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 02:33:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 02:33:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 02:33:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 02:33:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 02:33:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 02:33:11,346 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 02:33:11,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 02:33:11,479 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 02:33:11,484 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 02:33:11,484 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 02:33:11,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:33:11 BoogieIcfgContainer [2022-07-12 02:33:11,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 02:33:11,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 02:33:11,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 02:33:11,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 02:33:11,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:33:10" (1/3) ... [2022-07-12 02:33:11,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6136bfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:33:11, skipping insertion in model container [2022-07-12 02:33:11,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:11" (2/3) ... [2022-07-12 02:33:11,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6136bfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:33:11, skipping insertion in model container [2022-07-12 02:33:11,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:33:11" (3/3) ... [2022-07-12 02:33:11,507 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2022-07-12 02:33:11,532 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 02:33:11,533 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 02:33:11,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 02:33:11,577 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a1485f3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d99411a [2022-07-12 02:33:11,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 02:33:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-12 02:33:11,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:33:11,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:33:11,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:33:11,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:33:11,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2022-07-12 02:33:11,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 02:33:11,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884163548] [2022-07-12 02:33:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:33:11,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 02:33:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:33:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:33:11,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 02:33:11,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884163548] [2022-07-12 02:33:11,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884163548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:33:11,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:33:11,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 02:33:11,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727242776] [2022-07-12 02:33:11,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:33:11,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 02:33:11,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 02:33:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 02:33:11,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:33:11,748 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:33:11,769 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-07-12 02:33:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 02:33:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-07-12 02:33:11,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:33:11,776 INFO L225 Difference]: With dead ends: 21 [2022-07-12 02:33:11,776 INFO L226 Difference]: Without dead ends: 8 [2022-07-12 02:33:11,778 INFO L412 NwaCegarLoop]: 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 [2022-07-12 02:33:11,781 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 02:33:11,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 02:33:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-07-12 02:33:11,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-12 02:33:11,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-07-12 02:33:11,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2022-07-12 02:33:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:33:11,806 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-07-12 02:33:11,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-07-12 02:33:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-12 02:33:11,807 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:33:11,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:33:11,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 02:33:11,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:33:11,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:33:11,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812424, now seen corresponding path program 1 times [2022-07-12 02:33:11,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 02:33:11,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833025762] [2022-07-12 02:33:11,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:33:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 02:33:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 02:33:11,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 02:33:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 02:33:11,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 02:33:11,911 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 02:33:11,915 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 02:33:11,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 02:33:11,919 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 02:33:11,924 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 02:33:11,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 02:33:11 BoogieIcfgContainer [2022-07-12 02:33:11,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 02:33:11,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 02:33:11,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 02:33:11,946 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 02:33:11,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:33:11" (3/4) ... [2022-07-12 02:33:11,951 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 02:33:11,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 02:33:11,953 INFO L158 Benchmark]: Toolchain (without parser) took 1058.64ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 64.8MB in the beginning and 94.6MB in the end (delta: -29.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:33:11,954 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:33:11,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 73.2MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 02:33:11,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:33:11,960 INFO L158 Benchmark]: Boogie Preprocessor took 40.60ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 70.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 02:33:11,960 INFO L158 Benchmark]: RCFGBuilder took 270.24ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 60.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 02:33:11,961 INFO L158 Benchmark]: TraceAbstraction took 456.86ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 60.3MB in the beginning and 94.6MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:33:11,961 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 127.9MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:33:11,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 73.2MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.60ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 70.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.24ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 60.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 456.86ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 60.3MB in the beginning and 94.6MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 127.9MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 22. Possible FailurePath: [L45] float a,r; [L47] a = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not(a >= 0.1f && a <= 100.f) [L11] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L48] RET assume_abort_if_not(a >= 0.1f && a <= 100.f) [L50] CALL, EXPR InvSqrt(a) [L22] float xhalf = 0.5f*x; [L23] union float_int i; [L24] i.f = x [L25] EXPR i.i [L25] i.i = 0x5f3759df - (i.i>>1) [L26] EXPR i.f [L26] x = i.f [L27] x = x*(1.5f-xhalf*x*x) [L28] return x; [L28] return x; VAL [\old(x)=1597463008, \result=1597463009, x=1597463009] [L50] RET, EXPR InvSqrt(a) [L50] r = InvSqrt(a) [L52] CALL __VERIFIER_assert(r >= 0.f && r <= 10.) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=12occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 [2022-07-12 02:33:11,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 02:33:13,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 02:33:13,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 02:33:14,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 02:33:14,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 02:33:14,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 02:33:14,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 02:33:14,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 02:33:14,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 02:33:14,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 02:33:14,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 02:33:14,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 02:33:14,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 02:33:14,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 02:33:14,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 02:33:14,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 02:33:14,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 02:33:14,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 02:33:14,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 02:33:14,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 02:33:14,059 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 02:33:14,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 02:33:14,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 02:33:14,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 02:33:14,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 02:33:14,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 02:33:14,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 02:33:14,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 02:33:14,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 02:33:14,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 02:33:14,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 02:33:14,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 02:33:14,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 02:33:14,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 02:33:14,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 02:33:14,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 02:33:14,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 02:33:14,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 02:33:14,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 02:33:14,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 02:33:14,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 02:33:14,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 02:33:14,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 02:33:14,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 02:33:14,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 02:33:14,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 02:33:14,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 02:33:14,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 02:33:14,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 02:33:14,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 02:33:14,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 02:33:14,125 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 02:33:14,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 02:33:14,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 02:33:14,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 02:33:14,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 02:33:14,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 02:33:14,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 02:33:14,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 02:33:14,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 02:33:14,128 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 02:33:14,128 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 02:33:14,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 02:33:14,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 02:33:14,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 02:33:14,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 02:33:14,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 02:33:14,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 02:33:14,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 02:33:14,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:33:14,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 02:33:14,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 02:33:14,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 02:33:14,132 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 02:33:14,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 02:33:14,132 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 02:33:14,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 02:33:14,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 02:33:14,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 02:33:14,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2022-07-12 02:33:14,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 02:33:14,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 02:33:14,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 02:33:14,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 02:33:14,511 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 02:33:14,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-12 02:33:14,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5e5bedf/1934bc1eae824ebe88367d3bba0fd25f/FLAGa6138da7a [2022-07-12 02:33:14,973 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 02:33:14,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-12 02:33:14,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5e5bedf/1934bc1eae824ebe88367d3bba0fd25f/FLAGa6138da7a [2022-07-12 02:33:15,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5e5bedf/1934bc1eae824ebe88367d3bba0fd25f [2022-07-12 02:33:15,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 02:33:15,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 02:33:15,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 02:33:15,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 02:33:15,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 02:33:15,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db39c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15, skipping insertion in model container [2022-07-12 02:33:15,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 02:33:15,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 02:33:15,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2022-07-12 02:33:15,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:33:15,569 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 02:33:15,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2022-07-12 02:33:15,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:33:15,644 INFO L208 MainTranslator]: Completed translation [2022-07-12 02:33:15,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15 WrapperNode [2022-07-12 02:33:15,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 02:33:15,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 02:33:15,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 02:33:15,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 02:33:15,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,689 INFO L137 Inliner]: procedures = 21, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2022-07-12 02:33:15,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 02:33:15,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 02:33:15,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 02:33:15,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 02:33:15,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 02:33:15,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 02:33:15,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 02:33:15,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 02:33:15,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (1/1) ... [2022-07-12 02:33:15,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:33:15,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 02:33:15,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 02:33:15,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 02:33:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 02:33:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 02:33:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 02:33:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-12 02:33:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 02:33:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 02:33:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 02:33:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-12 02:33:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 02:33:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 02:33:15,901 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 02:33:15,903 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 02:33:18,126 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 02:33:18,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 02:33:18,131 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 02:33:18,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:33:18 BoogieIcfgContainer [2022-07-12 02:33:18,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 02:33:18,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 02:33:18,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 02:33:18,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 02:33:18,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:33:15" (1/3) ... [2022-07-12 02:33:18,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eaf2bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:33:18, skipping insertion in model container [2022-07-12 02:33:18,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:15" (2/3) ... [2022-07-12 02:33:18,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eaf2bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:33:18, skipping insertion in model container [2022-07-12 02:33:18,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:33:18" (3/3) ... [2022-07-12 02:33:18,153 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2022-07-12 02:33:18,166 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 02:33:18,167 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 02:33:18,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 02:33:18,264 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@529b875c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1406a86b [2022-07-12 02:33:18,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 02:33:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-12 02:33:18,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:33:18,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:33:18,285 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:33:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:33:18,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2022-07-12 02:33:18,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:33:18,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890274993] [2022-07-12 02:33:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:33:18,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:33:18,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:33:18,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 02:33:18,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 02:33:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:33:18,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 02:33:18,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:33:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:33:18,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:33:18,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:33:18,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890274993] [2022-07-12 02:33:18,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890274993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:33:18,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:33:18,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 02:33:18,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691386766] [2022-07-12 02:33:18,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:33:18,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 02:33:18,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:33:18,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 02:33:18,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:33:18,583 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:18,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:33:18,596 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-07-12 02:33:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 02:33:18,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-07-12 02:33:18,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:33:18,604 INFO L225 Difference]: With dead ends: 21 [2022-07-12 02:33:18,604 INFO L226 Difference]: Without dead ends: 8 [2022-07-12 02:33:18,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:33:18,613 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 02:33:18,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 02:33:18,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-07-12 02:33:18,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-12 02:33:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-07-12 02:33:18,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2022-07-12 02:33:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:33:18,643 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-07-12 02:33:18,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:33:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-07-12 02:33:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-12 02:33:18,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:33:18,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:33:18,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 02:33:18,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:33:18,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:33:18,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:33:18,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812424, now seen corresponding path program 1 times [2022-07-12 02:33:18,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:33:18,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215061222] [2022-07-12 02:33:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:33:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:33:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:33:18,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 02:33:18,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 02:33:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:33:20,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-12 02:33:20,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:33:34,546 WARN L833 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (fp.geq .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))) (= (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) |c_ULTIMATE.start_InvSqrt_#res#1|) (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 100.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2022-07-12 02:34:26,139 WARN L833 $PredicateComparison]: unable to prove that (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (not (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24))) (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))))))) (and (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (let ((.cse7 (let ((.cse8 (let ((.cse9 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))))) (fp.mul roundNearestTiesToEven .cse8 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse6) .cse8) .cse8)))))) (and (fp.leq .cse6 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.geq .cse7 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse7) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)))) is different from false [2022-07-12 02:34:57,082 WARN L833 $PredicateComparison]: unable to prove that (or (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (not (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24))) (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))))))) is different from false [2022-07-12 02:34:59,126 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (not (fp.geq (let ((.cse3 (let ((.cse5 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse3) .cse3)))) (_ +zero 8 24))) (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))))))) is different from true [2022-07-12 02:34:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:34:59,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:34:59,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:34:59,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215061222] [2022-07-12 02:34:59,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215061222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:34:59,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:34:59,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 02:34:59,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830415470] [2022-07-12 02:34:59,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:34:59,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 02:34:59,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:34:59,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 02:34:59,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=13, Unknown=4, NotChecked=24, Total=56 [2022-07-12 02:34:59,130 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:35:01,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 02:35:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:35:01,501 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2022-07-12 02:35:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 02:35:01,545 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-07-12 02:35:01,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:35:01,547 INFO L225 Difference]: With dead ends: 8 [2022-07-12 02:35:01,547 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 02:35:01,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=20, Invalid=18, Unknown=4, NotChecked=30, Total=72 [2022-07-12 02:35:01,548 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 02:35:01,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 10 Unchecked, 2.1s Time] [2022-07-12 02:35:01,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 02:35:01,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 02:35:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:35:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 02:35:01,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-07-12 02:35:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:35:01,550 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 02:35:01,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:35:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 02:35:01,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 02:35:01,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 02:35:01,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 02:35:01,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:35:01,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 02:35:12,038 WARN L233 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-12 02:35:12,047 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 02:35:12,048 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-07-12 02:35:12,048 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-07-12 02:35:12,048 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-07-12 02:35:12,048 INFO L902 garLoopResultBuilder]: At program point L13-3(line 13) the Hoare annotation is: true [2022-07-12 02:35:12,048 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 02:35:12,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 02:35:12,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 02:35:12,049 INFO L895 garLoopResultBuilder]: At program point L28(lines 20 29) the Hoare annotation is: (and (exists ((v_ArrVal_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ArrVal_13) ((_ extract 30 23) v_ArrVal_13) ((_ extract 22 0) v_ArrVal_13)))) (and (fp.leq .cse0 ((_ to_fp 8 24) currentRoundingMode 100.0)) (fp.geq .cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 10.0))) (= |ULTIMATE.start_InvSqrt_#res#1| (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_13 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul currentRoundingMode .cse1 (fp.sub currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 3.0 2.0)) (fp.mul currentRoundingMode (fp.mul currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (/ 1.0 2.0)) .cse0) .cse1) .cse1)))))))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-12 02:35:12,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2022-07-12 02:35:12,049 INFO L902 garLoopResultBuilder]: At program point L53(lines 43 54) the Hoare annotation is: true [2022-07-12 02:35:12,049 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 12) no Hoare annotation was computed. [2022-07-12 02:35:12,052 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 02:35:12,053 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 02:35:12,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,067 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,068 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,070 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:35:12,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,080 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:35:12,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 02:35:12 BoogieIcfgContainer [2022-07-12 02:35:12,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 02:35:12,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 02:35:12,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 02:35:12,084 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 02:35:12,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:33:18" (3/4) ... [2022-07-12 02:35:12,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 02:35:12,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-07-12 02:35:12,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 02:35:12,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 02:35:12,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 02:35:12,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ArrVal_13 : bv32 :: (~fp.leq~DOUBLE(~fp~LONGDOUBLE(v_ArrVal_13[31:31], v_ArrVal_13[30:23], v_ArrVal_13[22:0]), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 100.0)) && ~fp.geq~FLOAT(~fp~LONGDOUBLE(v_ArrVal_13[31:31], v_ArrVal_13[30:23], v_ArrVal_13[22:0]), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/10))) && \result == ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~fp~LONGDOUBLE(~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[31:31], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[30:23], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[22:0]), ~fp.sub~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3/2), ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/2), ~fp~LONGDOUBLE(v_ArrVal_13[31:31], v_ArrVal_13[30:23], v_ArrVal_13[22:0])), ~fp~LONGDOUBLE(~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[31:31], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[30:23], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[22:0])), ~fp~LONGDOUBLE(~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[31:31], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[30:23], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[22:0]))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-12 02:35:12,124 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 02:35:12,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 02:35:12,125 INFO L158 Benchmark]: Toolchain (without parser) took 116718.27ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.7MB in the beginning and 41.7MB in the end (delta: -14.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-07-12 02:35:12,125 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:35:12,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.08ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.5MB in the beginning and 50.9MB in the end (delta: -23.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-07-12 02:35:12,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 67.1MB. Free memory was 50.9MB in the beginning and 49.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:35:12,126 INFO L158 Benchmark]: Boogie Preprocessor took 47.64ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 47.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:35:12,127 INFO L158 Benchmark]: RCFGBuilder took 2392.43ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 37.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 02:35:12,127 INFO L158 Benchmark]: TraceAbstraction took 113947.64ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 44.5MB in the end (delta: -7.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-07-12 02:35:12,127 INFO L158 Benchmark]: Witness Printer took 40.17ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 41.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 02:35:12,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.08ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.5MB in the beginning and 50.9MB in the end (delta: -23.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 67.1MB. Free memory was 50.9MB in the beginning and 49.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.64ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 47.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2392.43ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 37.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 113947.64ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 44.5MB in the end (delta: -7.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 40.17ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 41.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 113.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 99.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 3 QuantifiedInterpolants, 871 SizeOfPredicates, 12 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant [2022-07-12 02:35:12,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,146 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:35:12,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,153 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-12 02:35:12,155 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_ArrVal_13 : bv32 :: (~fp.leq~DOUBLE(~fp~LONGDOUBLE(v_ArrVal_13[31:31], v_ArrVal_13[30:23], v_ArrVal_13[22:0]), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 100.0)) && ~fp.geq~FLOAT(~fp~LONGDOUBLE(v_ArrVal_13[31:31], v_ArrVal_13[30:23], v_ArrVal_13[22:0]), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/10))) && \result == ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~fp~LONGDOUBLE(~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[31:31], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[30:23], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[22:0]), ~fp.sub~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3/2), ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~fp.mul~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/2), ~fp~LONGDOUBLE(v_ArrVal_13[31:31], v_ArrVal_13[30:23], v_ArrVal_13[22:0])), ~fp~LONGDOUBLE(~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[31:31], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[30:23], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[22:0])), ~fp~LONGDOUBLE(~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[31:31], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[30:23], ~bvadd64(1597463007bv32, ~bvneg64(~bvashr32(v_ArrVal_13, 1bv32)))[22:0]))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-12 02:35:12,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE