./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-newlib/double_req_bl_1032b.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 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 10:16:27,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 10:16:27,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 10:16:27,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 10:16:27,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 10:16:27,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 10:16:27,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 10:16:27,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 10:16:27,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 10:16:27,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 10:16:27,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 10:16:27,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 10:16:27,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 10:16:27,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 10:16:27,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 10:16:27,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 10:16:27,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 10:16:27,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 10:16:27,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 10:16:27,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 10:16:27,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 10:16:27,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 10:16:27,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 10:16:27,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 10:16:27,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 10:16:27,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 10:16:27,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 10:16:27,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 10:16:27,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 10:16:27,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 10:16:27,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 10:16:27,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 10:16:27,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 10:16:27,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 10:16:27,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 10:16:27,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 10:16:27,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 10:16:27,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 10:16:27,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 10:16:27,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 10:16:27,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 10:16:27,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 10:16:27,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 10:16:27,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 10:16:27,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 10:16:27,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 10:16:27,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 10:16:27,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 10:16:27,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 10:16:27,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 10:16:27,974 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 10:16:27,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 10:16:27,974 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 10:16:27,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 10:16:27,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 10:16:27,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 10:16:27,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 10:16:27,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 10:16:27,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 10:16:27,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 10:16:27,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 10:16:27,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 10:16:27,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 10:16:27,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 10:16:27,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 10:16:27,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 10:16:27,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:16:27,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 10:16:27,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 10:16:27,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 10:16:27,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 10:16:27,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 10:16:27,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 10:16:27,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 10:16:27,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 10:16:27,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 10:16:27,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 [2021-12-22 10:16:28,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 10:16:28,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 10:16:28,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 10:16:28,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 10:16:28,167 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 10:16:28,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-22 10:16:28,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7612d2067/37bc0fa4a66348f6b741816b737309f6/FLAG9d18f9a5d [2021-12-22 10:16:28,698 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 10:16:28,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-22 10:16:28,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7612d2067/37bc0fa4a66348f6b741816b737309f6/FLAG9d18f9a5d [2021-12-22 10:16:28,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7612d2067/37bc0fa4a66348f6b741816b737309f6 [2021-12-22 10:16:28,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 10:16:28,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 10:16:28,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 10:16:28,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 10:16:28,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 10:16:28,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:28,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e522999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28, skipping insertion in model container [2021-12-22 10:16:28,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:28,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 10:16:28,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 10:16:28,939 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-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-22 10:16:28,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:16:28,948 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 10:16:28,979 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-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-22 10:16:28,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:16:28,991 INFO L208 MainTranslator]: Completed translation [2021-12-22 10:16:28,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28 WrapperNode [2021-12-22 10:16:28,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 10:16:28,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 10:16:28,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 10:16:28,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 10:16:28,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,027 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2021-12-22 10:16:29,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 10:16:29,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 10:16:29,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 10:16:29,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 10:16:29,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 10:16:29,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 10:16:29,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 10:16:29,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 10:16:29,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (1/1) ... [2021-12-22 10:16:29,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:16:29,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 10:16:29,099 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) [2021-12-22 10:16:29,119 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 [2021-12-22 10:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 10:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 10:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 10:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-22 10:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 10:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-22 10:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 10:16:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 10:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 10:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 10:16:29,195 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 10:16:29,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 10:16:29,322 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 10:16:29,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 10:16:29,326 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-22 10:16:29,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:16:29 BoogieIcfgContainer [2021-12-22 10:16:29,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 10:16:29,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 10:16:29,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 10:16:29,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 10:16:29,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:16:28" (1/3) ... [2021-12-22 10:16:29,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5172722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:16:29, skipping insertion in model container [2021-12-22 10:16:29,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:28" (2/3) ... [2021-12-22 10:16:29,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5172722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:16:29, skipping insertion in model container [2021-12-22 10:16:29,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:16:29" (3/3) ... [2021-12-22 10:16:29,333 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2021-12-22 10:16:29,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 10:16:29,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 10:16:29,389 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 10:16:29,393 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 10:16:29,395 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 10:16:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 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) [2021-12-22 10:16:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-22 10:16:29,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:29,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:29,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:29,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2021-12-22 10:16:29,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 10:16:29,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362300041] [2021-12-22 10:16:29,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:29,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 10:16:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:29,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 10:16:29,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362300041] [2021-12-22 10:16:29,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362300041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:29,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:29,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 10:16:29,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176384250] [2021-12-22 10:16:29,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:29,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 10:16:29,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 10:16:29,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 10:16:29,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:16:29,608 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-12-22 10:16:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:29,623 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2021-12-22 10:16:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 10:16:29,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-12-22 10:16:29,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:29,629 INFO L225 Difference]: With dead ends: 58 [2021-12-22 10:16:29,630 INFO L226 Difference]: Without dead ends: 27 [2021-12-22 10:16:29,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:16:29,635 INFO L933 BasicCegarLoop]: 38 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, 38 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 [2021-12-22 10:16:29,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 10:16:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-22 10:16:29,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-22 10:16:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 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) [2021-12-22 10:16:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-12-22 10:16:29,660 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2021-12-22 10:16:29,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:29,660 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-12-22 10:16:29,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-12-22 10:16:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-12-22 10:16:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 10:16:29,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:29,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:29,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 10:16:29,662 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:29,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:29,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2021-12-22 10:16:29,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 10:16:29,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884181486] [2021-12-22 10:16:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:29,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 10:16:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 10:16:29,695 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 10:16:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 10:16:29,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 10:16:29,750 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-22 10:16:29,752 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 10:16:29,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 10:16:29,756 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-22 10:16:29,759 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 10:16:29,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 10:16:29 BoogieIcfgContainer [2021-12-22 10:16:29,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 10:16:29,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 10:16:29,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 10:16:29,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 10:16:29,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:16:29" (3/4) ... [2021-12-22 10:16:29,784 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 10:16:29,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 10:16:29,785 INFO L158 Benchmark]: Toolchain (without parser) took 1066.02ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 80.5MB in the beginning and 103.0MB in the end (delta: -22.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-22 10:16:29,785 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:16:29,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.03ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 82.9MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 10:16:29,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:16:29,790 INFO L158 Benchmark]: Boogie Preprocessor took 34.83ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:16:29,791 INFO L158 Benchmark]: RCFGBuilder took 263.88ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 67.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-22 10:16:29,791 INFO L158 Benchmark]: TraceAbstraction took 449.33ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 66.7MB in the beginning and 103.0MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:16:29,791 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 140.5MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:16:29,796 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 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.03ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 82.9MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.83ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.88ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 67.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 449.33ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 66.7MB in the beginning and 103.0MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 140.5MB. Free memory is still 103.0MB. 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: 93]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 36, overapproximation of someUnaryDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L88] double x = -0.0; [L89] CALL, EXPR round_double(x) [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; VAL [\old(x)=4294967296, x=4294967296] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L29] COND TRUE exponent_less_1023 < 20 VAL [\old(x)=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; VAL [\old(x)=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; VAL [\old(x)=4294967296, \result=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L89] RET, EXPR round_double(x) [L89] double res = round_double(x); [L92] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967296, res == -0.0 && __signbit_double(res) == 1=0, x=4294967296] [L92] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L93] reach_error() VAL [res=4294967296, x=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 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, 38 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=30occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-12-22 10:16:29,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032b.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 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 10:16:31,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 10:16:31,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 10:16:31,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 10:16:31,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 10:16:31,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 10:16:31,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 10:16:31,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 10:16:31,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 10:16:31,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 10:16:31,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 10:16:31,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 10:16:31,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 10:16:31,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 10:16:31,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 10:16:31,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 10:16:31,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 10:16:31,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 10:16:31,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 10:16:31,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 10:16:31,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 10:16:31,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 10:16:31,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 10:16:31,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 10:16:31,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 10:16:31,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 10:16:31,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 10:16:31,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 10:16:31,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 10:16:31,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 10:16:31,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 10:16:31,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 10:16:31,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 10:16:31,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 10:16:31,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 10:16:31,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 10:16:31,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 10:16:31,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 10:16:31,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 10:16:31,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 10:16:31,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 10:16:31,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-22 10:16:31,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 10:16:31,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 10:16:31,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 10:16:31,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 10:16:31,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 10:16:31,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 10:16:31,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 10:16:31,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 10:16:31,878 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 10:16:31,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 10:16:31,878 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 10:16:31,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 10:16:31,879 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 10:16:31,880 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 10:16:31,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 10:16:31,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 10:16:31,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 10:16:31,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 10:16:31,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 10:16:31,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 10:16:31,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:16:31,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 10:16:31,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 10:16:31,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 10:16:31,881 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 10:16:31,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 10:16:31,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 10:16:31,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 10:16:31,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 10:16:31,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 10:16:31,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 10:16:31,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 [2021-12-22 10:16:32,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 10:16:32,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 10:16:32,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 10:16:32,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 10:16:32,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 10:16:32,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-22 10:16:32,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc9333e9/dcb781fee2204bb79cfa457e7fbad3ba/FLAGa4206421f [2021-12-22 10:16:32,603 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 10:16:32,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-22 10:16:32,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc9333e9/dcb781fee2204bb79cfa457e7fbad3ba/FLAGa4206421f [2021-12-22 10:16:33,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc9333e9/dcb781fee2204bb79cfa457e7fbad3ba [2021-12-22 10:16:33,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 10:16:33,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 10:16:33,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 10:16:33,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 10:16:33,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 10:16:33,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b46a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33, skipping insertion in model container [2021-12-22 10:16:33,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 10:16:33,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 10:16:33,165 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-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-22 10:16:33,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:16:33,178 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 10:16:33,205 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-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-22 10:16:33,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 10:16:33,237 INFO L208 MainTranslator]: Completed translation [2021-12-22 10:16:33,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33 WrapperNode [2021-12-22 10:16:33,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 10:16:33,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 10:16:33,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 10:16:33,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 10:16:33,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,276 INFO L137 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2021-12-22 10:16:33,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 10:16:33,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 10:16:33,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 10:16:33,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 10:16:33,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 10:16:33,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 10:16:33,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 10:16:33,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 10:16:33,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (1/1) ... [2021-12-22 10:16:33,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 10:16:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 10:16:33,357 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) [2021-12-22 10:16:33,374 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 [2021-12-22 10:16:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 10:16:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-22 10:16:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-22 10:16:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-22 10:16:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 10:16:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-22 10:16:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 10:16:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 10:16:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-22 10:16:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 10:16:33,456 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 10:16:33,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 10:16:33,623 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 10:16:33,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 10:16:33,628 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-22 10:16:33,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:16:33 BoogieIcfgContainer [2021-12-22 10:16:33,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 10:16:33,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 10:16:33,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 10:16:33,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 10:16:33,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:16:33" (1/3) ... [2021-12-22 10:16:33,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a2a731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:16:33, skipping insertion in model container [2021-12-22 10:16:33,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:16:33" (2/3) ... [2021-12-22 10:16:33,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a2a731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:16:33, skipping insertion in model container [2021-12-22 10:16:33,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:16:33" (3/3) ... [2021-12-22 10:16:33,644 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2021-12-22 10:16:33,648 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 10:16:33,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 10:16:33,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 10:16:33,703 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 10:16:33,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 10:16:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 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) [2021-12-22 10:16:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-22 10:16:33,748 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:33,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:33,749 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:33,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:33,752 INFO L85 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2021-12-22 10:16:33,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:16:33,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517879019] [2021-12-22 10:16:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:33,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:16:33,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:16:33,784 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) [2021-12-22 10:16:33,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-22 10:16:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:33,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-22 10:16:33,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:16:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:33,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:16:33,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:16:33,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517879019] [2021-12-22 10:16:33,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517879019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:33,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:33,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 10:16:33,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306634531] [2021-12-22 10:16:33,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:33,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 10:16:33,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:16:33,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 10:16:33,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:16:33,972 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-12-22 10:16:33,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:33,984 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2021-12-22 10:16:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 10:16:33,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-12-22 10:16:33,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:33,991 INFO L225 Difference]: With dead ends: 58 [2021-12-22 10:16:33,991 INFO L226 Difference]: Without dead ends: 27 [2021-12-22 10:16:33,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 10:16:33,997 INFO L933 BasicCegarLoop]: 38 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, 38 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 [2021-12-22 10:16:33,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 10:16:34,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-22 10:16:34,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-22 10:16:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 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) [2021-12-22 10:16:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-12-22 10:16:34,031 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2021-12-22 10:16:34,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:34,031 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-12-22 10:16:34,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-12-22 10:16:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-12-22 10:16:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 10:16:34,033 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:34,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:34,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-22 10:16:34,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:16:34,241 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:34,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:34,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2021-12-22 10:16:34,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:16:34,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376591278] [2021-12-22 10:16:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:34,243 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:16:34,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:16:34,244 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) [2021-12-22 10:16:34,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-22 10:16:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:34,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 10:16:34,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:16:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:34,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:16:34,483 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:16:34,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376591278] [2021-12-22 10:16:34,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376591278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:34,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:34,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 10:16:34,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78625572] [2021-12-22 10:16:34,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:34,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 10:16:34,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:16:34,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 10:16:34,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 10:16:34,486 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-22 10:16:34,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:34,577 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2021-12-22 10:16:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 10:16:34,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-22 10:16:34,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:34,578 INFO L225 Difference]: With dead ends: 39 [2021-12-22 10:16:34,578 INFO L226 Difference]: Without dead ends: 26 [2021-12-22 10:16:34,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 10:16:34,579 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 10:16:34,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 88 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2021-12-22 10:16:34,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-22 10:16:34,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-22 10:16:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 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) [2021-12-22 10:16:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-12-22 10:16:34,583 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 12 [2021-12-22 10:16:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:34,583 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-22 10:16:34,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-22 10:16:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-12-22 10:16:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 10:16:34,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:34,584 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:34,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-22 10:16:34,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:16:34,789 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:34,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:34,790 INFO L85 PathProgramCache]: Analyzing trace with hash -504714538, now seen corresponding path program 1 times [2021-12-22 10:16:34,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:16:34,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431550862] [2021-12-22 10:16:34,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:34,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:16:34,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:16:34,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:16:34,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-22 10:16:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:34,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 10:16:34,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:16:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:34,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:16:34,947 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:16:34,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431550862] [2021-12-22 10:16:34,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431550862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:34,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:34,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 10:16:34,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409344086] [2021-12-22 10:16:34,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:34,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 10:16:34,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:16:34,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 10:16:34,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 10:16:34,949 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-22 10:16:34,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:34,970 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2021-12-22 10:16:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 10:16:34,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-22 10:16:34,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:34,971 INFO L225 Difference]: With dead ends: 38 [2021-12-22 10:16:34,971 INFO L226 Difference]: Without dead ends: 21 [2021-12-22 10:16:34,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 10:16:34,973 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 10:16:34,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-22 10:16:34,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-12-22 10:16:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-22 10:16:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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) [2021-12-22 10:16:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-12-22 10:16:34,975 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2021-12-22 10:16:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:34,976 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-12-22 10:16:34,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-22 10:16:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-12-22 10:16:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-22 10:16:34,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:34,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:34,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-22 10:16:35,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:16:35,185 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:35,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:35,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1962860917, now seen corresponding path program 1 times [2021-12-22 10:16:35,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:16:35,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139906234] [2021-12-22 10:16:35,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:35,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:16:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:16:35,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:16:35,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-22 10:16:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:35,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 10:16:35,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:16:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:35,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:16:35,336 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:16:35,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139906234] [2021-12-22 10:16:35,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139906234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:35,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:35,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 10:16:35,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381911820] [2021-12-22 10:16:35,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:35,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 10:16:35,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:16:35,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 10:16:35,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 10:16:35,339 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-22 10:16:35,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:35,359 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2021-12-22 10:16:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 10:16:35,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-12-22 10:16:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:35,361 INFO L225 Difference]: With dead ends: 34 [2021-12-22 10:16:35,361 INFO L226 Difference]: Without dead ends: 21 [2021-12-22 10:16:35,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 10:16:35,362 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 10:16:35,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 56 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-22 10:16:35,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-12-22 10:16:35,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-22 10:16:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 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) [2021-12-22 10:16:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-12-22 10:16:35,364 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 16 [2021-12-22 10:16:35,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:35,365 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-12-22 10:16:35,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-22 10:16:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-12-22 10:16:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-22 10:16:35,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:35,365 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:35,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-22 10:16:35,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:16:35,574 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:35,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:35,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2021-12-22 10:16:35,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:16:35,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642854713] [2021-12-22 10:16:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:35,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:16:35,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:16:35,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:16:35,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-22 10:16:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:35,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-22 10:16:35,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:16:35,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2021-12-22 10:16:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:35,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:16:35,746 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:16:35,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642854713] [2021-12-22 10:16:35,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642854713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:35,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:35,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 10:16:35,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488621553] [2021-12-22 10:16:35,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:35,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 10:16:35,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:16:35,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 10:16:35,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 10:16:35,748 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-12-22 10:16:35,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:35,772 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-12-22 10:16:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 10:16:35,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 16 [2021-12-22 10:16:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:35,773 INFO L225 Difference]: With dead ends: 24 [2021-12-22 10:16:35,773 INFO L226 Difference]: Without dead ends: 21 [2021-12-22 10:16:35,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 10:16:35,774 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 10:16:35,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 75 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 17 Unchecked, 0.0s Time] [2021-12-22 10:16:35,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-12-22 10:16:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-22 10:16:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 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) [2021-12-22 10:16:35,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2021-12-22 10:16:35,783 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2021-12-22 10:16:35,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:35,784 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2021-12-22 10:16:35,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-12-22 10:16:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-12-22 10:16:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-22 10:16:35,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 10:16:35,785 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 10:16:35,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-22 10:16:35,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:16:35,997 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 10:16:35,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 10:16:35,998 INFO L85 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2021-12-22 10:16:35,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 10:16:35,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407524195] [2021-12-22 10:16:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 10:16:35,999 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 10:16:35,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 10:16:36,000 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 10:16:36,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-22 10:16:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 10:16:36,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-22 10:16:36,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 10:16:36,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2021-12-22 10:16:36,259 INFO L353 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-12-22 10:16:36,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-12-22 10:16:36,503 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 10:16:36,503 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 30 [2021-12-22 10:16:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 10:16:36,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 10:16:36,688 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 10:16:36,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407524195] [2021-12-22 10:16:36,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407524195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 10:16:36,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 10:16:36,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-22 10:16:36,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166271368] [2021-12-22 10:16:36,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 10:16:36,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 10:16:36,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 10:16:36,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 10:16:36,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-22 10:16:36,701 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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) [2021-12-22 10:16:36,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 10:16:36,731 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2021-12-22 10:16:36,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 10:16:36,731 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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 20 [2021-12-22 10:16:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 10:16:36,731 INFO L225 Difference]: With dead ends: 21 [2021-12-22 10:16:36,731 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 10:16:36,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-22 10:16:36,732 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 10:16:36,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2021-12-22 10:16:36,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 10:16:36,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 10:16:36,733 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) [2021-12-22 10:16:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 10:16:36,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-12-22 10:16:36,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 10:16:36,733 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 10:16:36,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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) [2021-12-22 10:16:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 10:16:36,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 10:16:36,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 10:16:36,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-22 10:16:36,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 10:16:36,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 10:16:36,979 INFO L861 garLoopResultBuilder]: At program point L97(lines 80 98) the Hoare annotation is: true [2021-12-22 10:16:36,979 INFO L858 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-12-22 10:16:36,979 INFO L854 garLoopResultBuilder]: At program point L77(lines 68 78) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short10#1| (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|)))))) [2021-12-22 10:16:36,979 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 47) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L854 garLoopResultBuilder]: At program point L65(lines 19 66) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9|))) (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|)) (.cse1 (select .cse3 (_ bv4 32)))) (and (= .cse0 .cse1) (= .cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13|) (_ bv4 32))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (let ((.cse2 (concat .cse1 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_round_double_#res#1|))))) (exists ((|v_ULTIMATE.start_round_double_~msw~0#1_16| (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res#1| (let ((.cse4 (concat (bvand |v_ULTIMATE.start_round_double_~msw~0#1_16| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 33) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 58) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L854 garLoopResultBuilder]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9|))) (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|)) (.cse1 (select .cse3 (_ bv4 32)))) (and (= .cse0 .cse1) (= .cse0 (select (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13|) (_ bv4 32))) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (let ((.cse2 (concat .cse1 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start___signbit_double_~x#1|))))) |ULTIMATE.start_main_#t~short10#1|) [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2021-12-22 10:16:36,980 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 42) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 64) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 19 66) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L854 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (= |ULTIMATE.start_round_double_~x#1| (fp.neg (_ +zero 11 53))) [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-12-22 10:16:36,981 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 58) no Hoare annotation was computed. [2021-12-22 10:16:36,983 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-22 10:16:36,984 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 10:16:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,017 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,017 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,022 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 10:16:37 BoogieIcfgContainer [2021-12-22 10:16:37,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 10:16:37,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 10:16:37,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 10:16:37,025 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 10:16:37,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:16:33" (3/4) ... [2021-12-22 10:16:37,027 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 10:16:37,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-12-22 10:16:37,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-22 10:16:37,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 10:16:37,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 10:16:37,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13 : bv32 :: ((v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13][4bv32]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result) && (\exists v_ULTIMATE.start_round_double_~msw~0#1_16 : bv32 :: \result == ~fp~LONGDOUBLE((~bvand32(v_ULTIMATE.start_round_double_~msw~0#1_16, 2147483648bv32) ++ 0bv32)[63:63], (~bvand32(v_ULTIMATE.start_round_double_~msw~0#1_16, 2147483648bv32) ++ 0bv32)[62:52], (~bvand32(v_ULTIMATE.start_round_double_~msw~0#1_16, 2147483648bv32) ++ 0bv32)[51:0])) [2021-12-22 10:16:37,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13 : bv32 :: ((v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13][4bv32]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x) && aux-res == -0.0 && __signbit_double(res) == 1-aux [2021-12-22 10:16:37,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_arrayElimCell_4 : bv32 :: (1bv32 == \result && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~fp~LONGDOUBLE((v_skolemized_q#valueAsBitvector_14[63:32] ++ v_arrayElimCell_4)[63:63], (v_skolemized_q#valueAsBitvector_14[63:32] ++ v_arrayElimCell_4)[62:52], (v_skolemized_q#valueAsBitvector_14[63:32] ++ v_arrayElimCell_4)[51:0]) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) [2021-12-22 10:16:37,057 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 10:16:37,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 10:16:37,058 INFO L158 Benchmark]: Toolchain (without parser) took 4040.28ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 49.0MB in the end (delta: -3.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-22 10:16:37,058 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:16:37,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.65ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 48.0MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 10:16:37,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.07ms. Allocated memory is still 65.0MB. Free memory was 47.8MB in the beginning and 46.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 10:16:37,059 INFO L158 Benchmark]: Boogie Preprocessor took 43.79ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 44.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:16:37,059 INFO L158 Benchmark]: RCFGBuilder took 307.18ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 31.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-22 10:16:37,059 INFO L158 Benchmark]: TraceAbstraction took 3393.77ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.4MB in the beginning and 52.5MB in the end (delta: -21.1MB). Peak memory consumption was 866.1kB. Max. memory is 16.1GB. [2021-12-22 10:16:37,060 INFO L158 Benchmark]: Witness Printer took 33.25ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 10:16:37,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.65ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 48.0MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.07ms. Allocated memory is still 65.0MB. Free memory was 47.8MB in the beginning and 46.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.79ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 44.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.18ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 31.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3393.77ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.4MB in the beginning and 52.5MB in the end (delta: -21.1MB). Peak memory consumption was 866.1kB. Max. memory is 16.1GB. * Witness Printer took 33.25ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.0MB in the end (delta: 3.5MB). 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_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] * 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: 93]: 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 77 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 124 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 205 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 81 ConstructedInterpolants, 33 QuantifiedInterpolants, 1019 SizeOfPredicates, 37 NumberOfNonLiveVariables, 314 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13 : bv32 :: ((v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13][4bv32]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x) && aux-res == -0.0 && __signbit_double(res) == 1-aux - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 68]: Loop Invariant [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-22 10:16:37,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] Derived loop invariant: aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_arrayElimCell_4 : bv32 :: (1bv32 == \result && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~fp~LONGDOUBLE((v_skolemized_q#valueAsBitvector_14[63:32] ++ v_arrayElimCell_4)[63:63], (v_skolemized_q#valueAsBitvector_14[63:32] ++ v_arrayElimCell_4)[62:52], (v_skolemized_q#valueAsBitvector_14[63:32] ++ v_arrayElimCell_4)[51:0]) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) - InvariantResult [Line: 19]: Loop Invariant [2021-12-22 10:16:37,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] [2021-12-22 10:16:37,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0#1_16,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13 : bv32 :: ((v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_13][4bv32]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result) && (\exists v_ULTIMATE.start_round_double_~msw~0#1_16 : bv32 :: \result == ~fp~LONGDOUBLE((~bvand32(v_ULTIMATE.start_round_double_~msw~0#1_16, 2147483648bv32) ++ 0bv32)[63:63], (~bvand32(v_ULTIMATE.start_round_double_~msw~0#1_16, 2147483648bv32) ++ 0bv32)[62:52], (~bvand32(v_ULTIMATE.start_round_double_~msw~0#1_16, 2147483648bv32) ++ 0bv32)[51:0])) RESULT: Ultimate proved your program to be correct! [2021-12-22 10:16:37,122 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