./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 791161d1 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-?-791161d [2022-07-22 13:54:54,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:54:54,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:54:54,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:54:54,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:54:54,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:54:54,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:54:54,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:54:54,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:54:54,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:54:54,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:54:54,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:54:54,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:54:54,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:54:54,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:54:54,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:54:54,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:54:54,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:54:54,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:54:54,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:54:54,449 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:54:54,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:54:54,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:54:54,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:54:54,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:54:54,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:54:54,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:54:54,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:54:54,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:54:54,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:54:54,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:54:54,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:54:54,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:54:54,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:54:54,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:54:54,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:54:54,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:54:54,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:54:54,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:54:54,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:54:54,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:54:54,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:54:54,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 13:54:54,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:54:54,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:54:54,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:54:54,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:54:54,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:54:54,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:54:54,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:54:54,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:54:54,495 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:54:54,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:54:54,495 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:54:54,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 13:54:54,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:54:54,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:54:54,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:54:54,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:54:54,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:54:54,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:54:54,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:54:54,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:54:54,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:54:54,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:54:54,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 13:54:54,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 13:54:54,498 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:54:54,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:54:54,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:54:54,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2022-07-22 13:54:54,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:54:54,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:54:54,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:54:54,724 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:54:54,725 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:54:54,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-22 13:54:54,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933079436/00d5ec94a8a346deb53aa8b4cde0b931/FLAGf41424db2 [2022-07-22 13:54:55,111 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:54:55,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-22 13:54:55,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933079436/00d5ec94a8a346deb53aa8b4cde0b931/FLAGf41424db2 [2022-07-22 13:54:55,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933079436/00d5ec94a8a346deb53aa8b4cde0b931 [2022-07-22 13:54:55,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:54:55,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:54:55,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:54:55,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:54:55,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:54:55,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3503935a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55, skipping insertion in model container [2022-07-22 13:54:55,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:54:55,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:54:55,686 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] [2022-07-22 13:54:55,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:54:55,712 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:54:55,723 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] [2022-07-22 13:54:55,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:54:55,750 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:54:55,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55 WrapperNode [2022-07-22 13:54:55,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:54:55,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:54:55,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:54:55,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:54:55,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,790 INFO L137 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2022-07-22 13:54:55,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:54:55,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:54:55,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:54:55,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:54:55,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:54:55,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:54:55,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:54:55,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:54:55,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (1/1) ... [2022-07-22 13:54:55,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:54:55,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:54:55,830 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) [2022-07-22 13:54:55,857 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 [2022-07-22 13:54:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:54:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 13:54:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 13:54:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-22 13:54:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 13:54:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-22 13:54:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:54:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:54:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 13:54:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 13:54:55,916 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:54:55,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:54:56,026 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:54:56,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:54:56,034 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:54:56,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:54:56 BoogieIcfgContainer [2022-07-22 13:54:56,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:54:56,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:54:56,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:54:56,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:54:56,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:54:55" (1/3) ... [2022-07-22 13:54:56,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cb7328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:54:56, skipping insertion in model container [2022-07-22 13:54:56,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:55" (2/3) ... [2022-07-22 13:54:56,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cb7328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:54:56, skipping insertion in model container [2022-07-22 13:54:56,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:54:56" (3/3) ... [2022-07-22 13:54:56,056 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2022-07-22 13:54:56,065 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:54:56,079 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:54:56,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:54:56,130 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@5b5b6842, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c00e1fe [2022-07-22 13:54:56,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:54:56,135 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) [2022-07-22 13:54:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-22 13:54:56,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:54:56,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 13:54:56,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:54:56,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:54:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2022-07-22 13:54:56,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:54:56,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215986272] [2022-07-22 13:54:56,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:54:56,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:54:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:54:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:54:56,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 13:54:56,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215986272] [2022-07-22 13:54:56,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215986272] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:54:56,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:54:56,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 13:54:56,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558563801] [2022-07-22 13:54:56,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:54:56,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 13:54:56,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 13:54:56,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 13:54:56,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 13:54:56,304 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) [2022-07-22 13:54:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:54:56,312 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-07-22 13:54:56,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 13:54:56,314 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 [2022-07-22 13:54:56,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:54:56,318 INFO L225 Difference]: With dead ends: 21 [2022-07-22 13:54:56,318 INFO L226 Difference]: Without dead ends: 8 [2022-07-22 13:54:56,320 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 [2022-07-22 13:54:56,322 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 [2022-07-22 13:54:56,323 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] [2022-07-22 13:54:56,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-07-22 13:54:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-22 13:54:56,340 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) [2022-07-22 13:54:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-07-22 13:54:56,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2022-07-22 13:54:56,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:54:56,342 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-07-22 13:54:56,342 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) [2022-07-22 13:54:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-07-22 13:54:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-22 13:54:56,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:54:56,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 13:54:56,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 13:54:56,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:54:56,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:54:56,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812424, now seen corresponding path program 1 times [2022-07-22 13:54:56,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:54:56,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234969592] [2022-07-22 13:54:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:54:56,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:54:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:54:56,368 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 13:54:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:54:56,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 13:54:56,392 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 13:54:56,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:54:56,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 13:54:56,397 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 13:54:56,399 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:54:56,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:54:56 BoogieIcfgContainer [2022-07-22 13:54:56,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:54:56,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:54:56,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:54:56,414 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:54:56,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:54:56" (3/4) ... [2022-07-22 13:54:56,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 13:54:56,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:54:56,417 INFO L158 Benchmark]: Toolchain (without parser) took 875.33ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 37.3MB in the end (delta: 26.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-07-22 13:54:56,417 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:54:56,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.14ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 74.7MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:54:56,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.82ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:54:56,418 INFO L158 Benchmark]: Boogie Preprocessor took 12.89ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:54:56,419 INFO L158 Benchmark]: RCFGBuilder took 232.29ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 62.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:54:56,419 INFO L158 Benchmark]: TraceAbstraction took 375.75ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 37.7MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-22 13:54:56,419 INFO L158 Benchmark]: Witness Printer took 2.74ms. Allocated memory is still 100.7MB. Free memory was 37.7MB in the beginning and 37.3MB in the end (delta: 434.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:54:56,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.14ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 74.7MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.82ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.89ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 232.29ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 62.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 375.75ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 37.7MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 2.74ms. Allocated memory is still 100.7MB. Free memory was 37.7MB in the beginning and 37.3MB in the end (delta: 434.7kB). 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: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, 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, 0.0s 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 [2022-07-22 13:54:56,447 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 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-?-791161d [2022-07-22 13:54:58,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:54:58,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:54:58,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:54:58,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:54:58,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:54:58,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:54:58,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:54:58,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:54:58,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:54:58,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:54:58,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:54:58,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:54:58,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:54:58,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:54:58,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:54:58,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:54:58,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:54:58,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:54:58,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:54:58,264 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:54:58,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:54:58,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:54:58,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:54:58,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:54:58,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:54:58,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:54:58,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:54:58,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:54:58,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:54:58,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:54:58,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:54:58,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:54:58,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:54:58,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:54:58,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:54:58,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:54:58,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:54:58,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:54:58,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:54:58,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:54:58,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:54:58,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 13:54:58,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:54:58,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:54:58,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:54:58,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:54:58,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:54:58,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:54:58,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:54:58,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:54:58,316 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:54:58,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:54:58,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:54:58,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:54:58,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:54:58,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:54:58,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:54:58,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:54:58,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 13:54:58,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 13:54:58,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 13:54:58,324 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:54:58,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:54:58,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:54:58,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:54:58,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:54:58,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:54:58,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:54:58,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:54:58,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:54:58,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:54:58,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:54:58,326 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 13:54:58,326 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 13:54:58,326 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:54:58,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:54:58,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:54:58,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 13:54:58,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2022-07-22 13:54:58,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:54:58,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:54:58,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:54:58,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:54:58,605 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:54:58,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-22 13:54:58,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18aa5485a/7421f5a5271749ab8ae315cd530a7b67/FLAG8c5b42ed0 [2022-07-22 13:54:59,016 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:54:59,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2022-07-22 13:54:59,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18aa5485a/7421f5a5271749ab8ae315cd530a7b67/FLAG8c5b42ed0 [2022-07-22 13:54:59,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18aa5485a/7421f5a5271749ab8ae315cd530a7b67 [2022-07-22 13:54:59,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:54:59,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:54:59,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:54:59,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:54:59,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:54:59,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c60a28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59, skipping insertion in model container [2022-07-22 13:54:59,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:54:59,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:54:59,168 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] [2022-07-22 13:54:59,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:54:59,196 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:54:59,226 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] [2022-07-22 13:54:59,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:54:59,268 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:54:59,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59 WrapperNode [2022-07-22 13:54:59,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:54:59,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:54:59,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:54:59,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:54:59,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,303 INFO L137 Inliner]: procedures = 21, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2022-07-22 13:54:59,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:54:59,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:54:59,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:54:59,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:54:59,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:54:59,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:54:59,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:54:59,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:54:59,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (1/1) ... [2022-07-22 13:54:59,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:54:59,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:54:59,397 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) [2022-07-22 13:54:59,443 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 [2022-07-22 13:54:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:54:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 13:54:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 13:54:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-22 13:54:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 13:54:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:54:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:54:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-22 13:54:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 13:54:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 13:54:59,512 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:54:59,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:55:01,744 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:55:01,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:55:01,757 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:55:01,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:55:01 BoogieIcfgContainer [2022-07-22 13:55:01,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:55:01,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:55:01,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:55:01,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:55:01,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:54:59" (1/3) ... [2022-07-22 13:55:01,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217d05ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:55:01, skipping insertion in model container [2022-07-22 13:55:01,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:54:59" (2/3) ... [2022-07-22 13:55:01,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217d05ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:55:01, skipping insertion in model container [2022-07-22 13:55:01,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:55:01" (3/3) ... [2022-07-22 13:55:01,786 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2022-07-22 13:55:01,795 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:55:01,806 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:55:01,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:55:01,861 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@39f9747b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2e08c712 [2022-07-22 13:55:01,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:55:01,867 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) [2022-07-22 13:55:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-22 13:55:01,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:55:01,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 13:55:01,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:55:01,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:55:01,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times [2022-07-22 13:55:01,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:55:01,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821317552] [2022-07-22 13:55:01,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:55:01,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:55:01,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:55:01,905 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) [2022-07-22 13:55:01,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 13:55:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:55:02,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 13:55:02,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 13:55:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:55:02,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 13:55:02,134 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 13:55:02,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821317552] [2022-07-22 13:55:02,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821317552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:55:02,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:55:02,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 13:55:02,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395767211] [2022-07-22 13:55:02,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:55:02,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 13:55:02,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 13:55:02,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 13:55:02,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 13:55:02,167 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) [2022-07-22 13:55:02,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:55:02,177 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-07-22 13:55:02,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 13:55:02,179 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 [2022-07-22 13:55:02,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:55:02,183 INFO L225 Difference]: With dead ends: 21 [2022-07-22 13:55:02,183 INFO L226 Difference]: Without dead ends: 8 [2022-07-22 13:55:02,185 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 [2022-07-22 13:55:02,190 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 [2022-07-22 13:55:02,192 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] [2022-07-22 13:55:02,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-07-22 13:55:02,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-22 13:55:02,210 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) [2022-07-22 13:55:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-07-22 13:55:02,212 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7 [2022-07-22 13:55:02,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:55:02,212 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-07-22 13:55:02,212 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) [2022-07-22 13:55:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-07-22 13:55:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-22 13:55:02,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:55:02,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 13:55:02,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 13:55:02,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:55:02,426 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:55:02,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:55:02,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812424, now seen corresponding path program 1 times [2022-07-22 13:55:02,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:55:02,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190807561] [2022-07-22 13:55:02,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:55:02,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:55:02,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:55:02,430 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) [2022-07-22 13:55:02,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 13:55:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:55:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-22 13:55:03,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 13:55:18,128 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 [2022-07-22 13:56:09,631 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 [2022-07-22 13:56:40,489 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 [2022-07-22 13:56:42,537 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 [2022-07-22 13:56:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:56:42,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 13:56:42,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 13:56:42,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190807561] [2022-07-22 13:56:42,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190807561] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:56:42,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:56:42,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 13:56:42,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782169685] [2022-07-22 13:56:42,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:56:42,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 13:56:42,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 13:56:42,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 13:56:42,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=13, Unknown=4, NotChecked=24, Total=56 [2022-07-22 13:56:42,540 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) [2022-07-22 13:56:44,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 13:56:44,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:56:44,856 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2022-07-22 13:56:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 13:56:44,897 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 [2022-07-22 13:56:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:56:44,897 INFO L225 Difference]: With dead ends: 8 [2022-07-22 13:56:44,897 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 13:56:44,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=20, Invalid=18, Unknown=4, NotChecked=30, Total=72 [2022-07-22 13:56:44,898 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 [2022-07-22 13:56:44,899 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] [2022-07-22 13:56:44,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 13:56:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 13:56:44,899 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) [2022-07-22 13:56:44,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 13:56:44,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-07-22 13:56:44,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:56:44,900 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 13:56:44,900 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) [2022-07-22 13:56:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 13:56:44,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 13:56:44,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:56:44,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 13:56:45,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:56:45,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 13:56:55,364 WARN L233 SmtUtils]: Spent 10.25s 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) [2022-07-22 13:56:55,368 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 13:56:55,369 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-07-22 13:56:55,369 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-07-22 13:56:55,369 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-07-22 13:56:55,369 INFO L902 garLoopResultBuilder]: At program point L13-3(line 13) the Hoare annotation is: true [2022-07-22 13:56:55,369 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 13:56:55,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 13:56:55,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 13:56:55,370 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)) [2022-07-22 13:56:55,370 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2022-07-22 13:56:55,370 INFO L902 garLoopResultBuilder]: At program point L53(lines 43 54) the Hoare annotation is: true [2022-07-22 13:56:55,370 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 12) no Hoare annotation was computed. [2022-07-22 13:56:55,372 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 13:56:55,373 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:56:55,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 13:56:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,394 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 13:56:55,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:56:55 BoogieIcfgContainer [2022-07-22 13:56:55,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:56:55,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:56:55,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:56:55,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:56:55,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:55:01" (3/4) ... [2022-07-22 13:56:55,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 13:56:55,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-07-22 13:56:55,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 13:56:55,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 13:56:55,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 13:56:55,425 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 [2022-07-22 13:56:55,442 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 13:56:55,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:56:55,443 INFO L158 Benchmark]: Toolchain (without parser) took 116410.29ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 35.4kB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-22 13:56:55,444 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:56:55,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.43ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 39.3MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 13:56:55,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:56:55,445 INFO L158 Benchmark]: Boogie Preprocessor took 39.58ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 36.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:56:55,445 INFO L158 Benchmark]: RCFGBuilder took 2421.89ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 51.9MB in the end (delta: -15.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-07-22 13:56:55,445 INFO L158 Benchmark]: TraceAbstraction took 113627.56ms. Allocated memory is still 69.2MB. Free memory was 51.4MB in the beginning and 37.6MB in the end (delta: 13.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-07-22 13:56:55,445 INFO L158 Benchmark]: Witness Printer took 45.64ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 35.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:56:55,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.43ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 39.3MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.58ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 36.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2421.89ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 51.9MB in the end (delta: -15.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 113627.56ms. Allocated memory is still 69.2MB. Free memory was 51.4MB in the beginning and 37.6MB in the end (delta: 13.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 45.64ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 35.0MB 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: 113.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, 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, 8.6s 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, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 98.8s 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 [2022-07-22 13:56:55,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,470 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 13:56:55,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_13,QUANTIFIED] [2022-07-22 13:56:55,479 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! [2022-07-22 13:56:55,598 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