./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1131b.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 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:13:23,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:13:23,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:13:23,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:13:23,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:13:23,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:13:23,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:13:23,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:13:23,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:13:23,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:13:23,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:13:23,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:13:23,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:13:23,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:13:23,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:13:23,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:13:23,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:13:23,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:13:23,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:13:23,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:13:23,221 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:13:23,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:13:23,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:13:23,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:13:23,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:13:23,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:13:23,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:13:23,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:13:23,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:13:23,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:13:23,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:13:23,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:13:23,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:13:23,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:13:23,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:13:23,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:13:23,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:13:23,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:13:23,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:13:23,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:13:23,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:13:23,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:13:23,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 03:13:23,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:13:23,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:13:23,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:13:23,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:13:23,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:13:23,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:13:23,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:13:23,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:13:23,258 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:13:23,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:13:23,258 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:13:23,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 03:13:23,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:13:23,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:13:23,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:13:23,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:13:23,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:13:23,260 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:13:23,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:13:23,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:13:23,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:13:23,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:13:23,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:13:23,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:13:23,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:23,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:13:23,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:13:23,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:13:23,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 03:13:23,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 03:13:23,263 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:13:23,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:13:23,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:13:23,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2022-07-12 03:13:23,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:13:23,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:13:23,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:13:23,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:13:23,499 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:13:23,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2022-07-12 03:13:23,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33f0160a/107e26433abe44379b99e69f6163c62d/FLAG103908efe [2022-07-12 03:13:23,929 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:13:23,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2022-07-12 03:13:23,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33f0160a/107e26433abe44379b99e69f6163c62d/FLAG103908efe [2022-07-12 03:13:23,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33f0160a/107e26433abe44379b99e69f6163c62d [2022-07-12 03:13:23,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:13:23,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:13:23,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:23,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:13:23,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:13:23,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:23" (1/1) ... [2022-07-12 03:13:23,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbb86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:23, skipping insertion in model container [2022-07-12 03:13:23,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:23" (1/1) ... [2022-07-12 03:13:23,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:13:23,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:13:24,137 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/float_req_bl_1131b.c[2947,2960] [2022-07-12 03:13:24,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:24,144 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:13:24,164 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/float_req_bl_1131b.c[2947,2960] [2022-07-12 03:13:24,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:24,174 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:13:24,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24 WrapperNode [2022-07-12 03:13:24,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:24,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:24,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:13:24,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:13:24,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,247 INFO L137 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 219 [2022-07-12 03:13:24,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:24,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:13:24,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:13:24,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:13:24,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:13:24,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:13:24,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:13:24,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:13:24,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (1/1) ... [2022-07-12 03:13:24,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:13:24,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 03:13:24,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 03:13:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:13:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 03:13:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:13:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 03:13:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 03:13:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 03:13:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:13:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:13:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 03:13:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-12 03:13:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:13:24,474 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:13:24,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:13:24,801 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:13:24,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:13:24,810 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:13:24,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:24 BoogieIcfgContainer [2022-07-12 03:13:24,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:13:24,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:13:24,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:13:24,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:13:24,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:13:23" (1/3) ... [2022-07-12 03:13:24,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e443b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:24, skipping insertion in model container [2022-07-12 03:13:24,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:24" (2/3) ... [2022-07-12 03:13:24,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e443b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:24, skipping insertion in model container [2022-07-12 03:13:24,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:24" (3/3) ... [2022-07-12 03:13:24,821 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2022-07-12 03:13:24,831 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:13:24,832 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:13:24,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:13:24,871 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@20f8d18, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4215b1f7 [2022-07-12 03:13:24,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:13:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 58 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 03:13:24,880 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:24,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:24,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:24,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:24,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1228515262, now seen corresponding path program 1 times [2022-07-12 03:13:24,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:13:24,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54321798] [2022-07-12 03:13:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:13:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:25,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:13:25,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54321798] [2022-07-12 03:13:25,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54321798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:25,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:25,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:13:25,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657598418] [2022-07-12 03:13:25,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:13:25,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:13:25,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:13:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:25,044 INFO L87 Difference]: Start difference. First operand has 59 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 58 states have internal predecessors, (102), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:25,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:25,072 INFO L93 Difference]: Finished difference Result 116 states and 202 transitions. [2022-07-12 03:13:25,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:13:25,074 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-07-12 03:13:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:25,086 INFO L225 Difference]: With dead ends: 116 [2022-07-12 03:13:25,087 INFO L226 Difference]: Without dead ends: 55 [2022-07-12 03:13:25,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:25,092 INFO L413 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:25,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:13:25,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-12 03:13:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-12 03:13:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2022-07-12 03:13:25,127 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 14 [2022-07-12 03:13:25,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:25,127 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2022-07-12 03:13:25,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-07-12 03:13:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 03:13:25,129 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:25,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:25,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 03:13:25,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:25,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1196155650, now seen corresponding path program 1 times [2022-07-12 03:13:25,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:13:25,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822985] [2022-07-12 03:13:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:25,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:13:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:13:25,231 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 03:13:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:13:25,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 03:13:25,329 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 03:13:25,330 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:13:25,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 03:13:25,337 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 03:13:25,341 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:13:25,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:13:25 BoogieIcfgContainer [2022-07-12 03:13:25,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:13:25,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:13:25,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:13:25,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:13:25,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:24" (3/4) ... [2022-07-12 03:13:25,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 03:13:25,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:13:25,401 INFO L158 Benchmark]: Toolchain (without parser) took 1443.45ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 51.3MB in the beginning and 43.4MB in the end (delta: 7.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-07-12 03:13:25,402 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:25,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.94ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 51.1MB in the beginning and 97.3MB in the end (delta: -46.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 03:13:25,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.54ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:25,407 INFO L158 Benchmark]: Boogie Preprocessor took 53.50ms. Allocated memory is still 123.7MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:25,408 INFO L158 Benchmark]: RCFGBuilder took 507.31ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 74.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 03:13:25,408 INFO L158 Benchmark]: TraceAbstraction took 580.73ms. Allocated memory is still 123.7MB. Free memory was 74.3MB in the beginning and 44.1MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-07-12 03:13:25,408 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 123.7MB. Free memory was 44.1MB in the beginning and 43.4MB in the end (delta: 755.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:25,414 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 86.0MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.94ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 51.1MB in the beginning and 97.3MB in the end (delta: -46.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.54ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.50ms. Allocated memory is still 123.7MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.31ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 74.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 580.73ms. Allocated memory is still 123.7MB. Free memory was 74.3MB in the beginning and 44.1MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 123.7MB. Free memory was 44.1MB in the beginning and 43.4MB in the end (delta: 755.8kB). 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: 137]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXOr at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L128] float x = __VERIFIER_nondet_float(); [L129] float y = -1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [\old(x)=4294967307, one_fmod=1, x=4294967307, Zero_fmod={4:0}] [L113] ieee_float_shape_type gf_u; [L114] gf_u.value = (x) [L115] EXPR gf_u.word [L115] (ix) = gf_u.word [L117] ix &= 0x7fffffff [L118] return (((ix) < 0x7f800000L)); VAL [\old(x)=4294967307, \result=1, ix=1, one_fmod=1, x=4294967307, Zero_fmod={4:0}] [L131] RET isfinite_float(x) [L131] COND TRUE isfinite_float(x) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=4294967307, \old(y)=4294967306, one_fmod=1, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [\old(x)=4294967307, \old(y)=4294967306, hx=0, hy=-1, one_fmod=1, sx=0, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=4294967307, \old(y)=4294967306, hx=0, hy=0, one_fmod=1, sx=0, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=4294967307, \old(y)=4294967306, hx=0, hy=0, one_fmod=1, sx=0, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] COND TRUE res != x VAL [one_fmod=1, res=4294967309, x=4294967307, y=4294967306, Zero_fmod={4:0}] [L137] reach_error() VAL [one_fmod=1, res=4294967309, x=4294967307, y=4294967306, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 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, 79 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=59occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 03:13:25,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1131b.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 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:13:27,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:13:27,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:13:27,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:13:27,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:13:27,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:13:27,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:13:27,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:13:27,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:13:27,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:13:27,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:13:27,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:13:27,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:13:27,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:13:27,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:13:27,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:13:27,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:13:27,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:13:27,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:13:27,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:13:27,470 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:13:27,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:13:27,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:13:27,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:13:27,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:13:27,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:13:27,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:13:27,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:13:27,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:13:27,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:13:27,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:13:27,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:13:27,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:13:27,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:13:27,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:13:27,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:13:27,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:13:27,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:13:27,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:13:27,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:13:27,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:13:27,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:13:27,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 03:13:27,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:13:27,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:13:27,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:13:27,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:13:27,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:13:27,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:13:27,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:13:27,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:13:27,537 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:13:27,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:13:27,538 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:13:27,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:13:27,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:13:27,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:13:27,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:13:27,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:13:27,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 03:13:27,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 03:13:27,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 03:13:27,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:13:27,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:13:27,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:13:27,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:13:27,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:13:27,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:13:27,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:13:27,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:27,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:13:27,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:13:27,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:13:27,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 03:13:27,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 03:13:27,542 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:13:27,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:13:27,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:13:27,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 03:13:27,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2022-07-12 03:13:27,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:13:27,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:13:27,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:13:27,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:13:27,865 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:13:27,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2022-07-12 03:13:27,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea13190b9/45ce35ef348048eb9df7d5491c2996e2/FLAG9ee92036b [2022-07-12 03:13:28,345 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:13:28,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2022-07-12 03:13:28,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea13190b9/45ce35ef348048eb9df7d5491c2996e2/FLAG9ee92036b [2022-07-12 03:13:28,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea13190b9/45ce35ef348048eb9df7d5491c2996e2 [2022-07-12 03:13:28,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:13:28,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:13:28,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:28,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:13:28,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:13:28,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:28" (1/1) ... [2022-07-12 03:13:28,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b82d07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:28, skipping insertion in model container [2022-07-12 03:13:28,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:28" (1/1) ... [2022-07-12 03:13:28,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:13:28,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:13:29,043 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/float_req_bl_1131b.c[2947,2960] [2022-07-12 03:13:29,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:29,074 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:13:29,146 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/float_req_bl_1131b.c[2947,2960] [2022-07-12 03:13:29,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:13:29,168 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:13:29,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29 WrapperNode [2022-07-12 03:13:29,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:13:29,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:29,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:13:29,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:13:29,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,207 INFO L137 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 183 [2022-07-12 03:13:29,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:13:29,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:13:29,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:13:29,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:13:29,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:13:29,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:13:29,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:13:29,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:13:29,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (1/1) ... [2022-07-12 03:13:29,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:13:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:13:29,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 03:13:29,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 03:13:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:13:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-12 03:13:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 03:13:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:13:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-12 03:13:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 03:13:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:13:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:13:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-12 03:13:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 03:13:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:13:29,549 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:13:29,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:13:32,058 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:13:32,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:13:32,062 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:13:32,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:32 BoogieIcfgContainer [2022-07-12 03:13:32,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:13:32,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:13:32,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:13:32,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:13:32,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:13:28" (1/3) ... [2022-07-12 03:13:32,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a809a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:32, skipping insertion in model container [2022-07-12 03:13:32,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:29" (2/3) ... [2022-07-12 03:13:32,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a809a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:32, skipping insertion in model container [2022-07-12 03:13:32,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:32" (3/3) ... [2022-07-12 03:13:32,069 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2022-07-12 03:13:32,078 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:13:32,078 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:13:32,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:13:32,115 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3fdba956, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5add3817 [2022-07-12 03:13:32,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:13:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 46 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 03:13:32,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:32,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:32,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2036314411, now seen corresponding path program 1 times [2022-07-12 03:13:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:32,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886216160] [2022-07-12 03:13:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:32,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:32,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:32,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:13:32,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 03:13:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:32,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 03:13:32,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:32,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:32,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:32,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886216160] [2022-07-12 03:13:32,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886216160] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:32,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:32,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:13:32,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954634252] [2022-07-12 03:13:32,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:32,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:13:32,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:32,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:13:32,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:32,440 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 46 states have internal predecessors, (78), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:32,452 INFO L93 Difference]: Finished difference Result 92 states and 154 transitions. [2022-07-12 03:13:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:13:32,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-12 03:13:32,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:32,458 INFO L225 Difference]: With dead ends: 92 [2022-07-12 03:13:32,459 INFO L226 Difference]: Without dead ends: 43 [2022-07-12 03:13:32,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:13:32,464 INFO L413 NwaCegarLoop]: 63 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, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:32,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:13:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-07-12 03:13:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-07-12 03:13:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-07-12 03:13:32,496 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 13 [2022-07-12 03:13:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:32,497 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-07-12 03:13:32,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-07-12 03:13:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-12 03:13:32,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:32,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:32,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 03:13:32,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:32,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:32,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:32,700 INFO L85 PathProgramCache]: Analyzing trace with hash -794964373, now seen corresponding path program 1 times [2022-07-12 03:13:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:32,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826867159] [2022-07-12 03:13:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:32,701 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:32,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:32,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:13:32,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 03:13:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:32,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-12 03:13:32,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:33,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-12 03:13:33,901 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-07-12 03:13:33,902 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 35 [2022-07-12 03:13:34,159 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-12 03:13:34,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2022-07-12 03:13:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:34,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:34,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:34,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826867159] [2022-07-12 03:13:34,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826867159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:34,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:34,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 03:13:34,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422953862] [2022-07-12 03:13:34,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:34,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 03:13:34,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:34,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 03:13:34,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 03:13:34,595 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2022-07-12 03:13:34,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:34,607 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2022-07-12 03:13:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 03:13:34,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 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 [2022-07-12 03:13:34,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:34,610 INFO L225 Difference]: With dead ends: 47 [2022-07-12 03:13:34,610 INFO L226 Difference]: Without dead ends: 43 [2022-07-12 03:13:34,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 03:13:34,612 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:34,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 115 Unchecked, 0.0s Time] [2022-07-12 03:13:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-07-12 03:13:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-07-12 03:13:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-07-12 03:13:34,618 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 16 [2022-07-12 03:13:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:34,618 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-07-12 03:13:34,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2022-07-12 03:13:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-07-12 03:13:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 03:13:34,619 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:34,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:34,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 03:13:34,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:34,822 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:34,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:34,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1123581797, now seen corresponding path program 1 times [2022-07-12 03:13:34,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:34,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301410541] [2022-07-12 03:13:34,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:34,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:34,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:34,825 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) [2022-07-12 03:13:34,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 03:13:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:34,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-12 03:13:34,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:35,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:35,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:35,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301410541] [2022-07-12 03:13:35,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301410541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:35,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:35,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 03:13:35,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770746316] [2022-07-12 03:13:35,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:35,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 03:13:35,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:35,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 03:13:35,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 03:13:35,752 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:35,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:35,969 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2022-07-12 03:13:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 03:13:35,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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 17 [2022-07-12 03:13:35,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:35,970 INFO L225 Difference]: With dead ends: 49 [2022-07-12 03:13:35,970 INFO L226 Difference]: Without dead ends: 45 [2022-07-12 03:13:35,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-12 03:13:35,971 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:35,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 342 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2022-07-12 03:13:35,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-07-12 03:13:35,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-07-12 03:13:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2022-07-12 03:13:35,976 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 17 [2022-07-12 03:13:35,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:35,977 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-07-12 03:13:35,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-07-12 03:13:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 03:13:35,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:13:35,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:13:35,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 03:13:36,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:36,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:13:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:13:36,189 INFO L85 PathProgramCache]: Analyzing trace with hash 469119878, now seen corresponding path program 1 times [2022-07-12 03:13:36,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:13:36,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050133068] [2022-07-12 03:13:36,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:13:36,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:13:36,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:13:36,191 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) [2022-07-12 03:13:36,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 03:13:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:13:36,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 03:13:36,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:13:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:13:36,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:13:36,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:13:36,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050133068] [2022-07-12 03:13:36,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050133068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:13:36,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:13:36,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 03:13:36,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349870229] [2022-07-12 03:13:36,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:13:36,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 03:13:36,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:13:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 03:13:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 03:13:36,735 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:36,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:13:36,738 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2022-07-12 03:13:36,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 03:13:36,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 18 [2022-07-12 03:13:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:13:36,738 INFO L225 Difference]: With dead ends: 43 [2022-07-12 03:13:36,738 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 03:13:36,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 03:13:36,739 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:13:36,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-07-12 03:13:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 03:13:36,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 03:13:36,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 03:13:36,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-07-12 03:13:36,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:13:36,740 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 03:13:36,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:13:36,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 03:13:36,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 03:13:36,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:13:36,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 03:13:36,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:13:36,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 03:13:37,446 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-07-12 03:13:37,447 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-07-12 03:13:37,447 INFO L899 garLoopResultBuilder]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:37,447 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-07-12 03:13:37,447 INFO L895 garLoopResultBuilder]: At program point L118(lines 110 119) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (or (and (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_main_~x~0#1|) (bvslt (bvand (_ bv2147483647 32) .cse0) (_ bv2139095040 32)))))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_main_~x~0#1|) (not (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32)))))) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2022-07-12 03:13:37,447 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-07-12 03:13:37,447 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-07-12 03:13:37,448 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-07-12 03:13:37,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 03:13:37,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 03:13:37,448 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-07-12 03:13:37,448 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:37,448 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-07-12 03:13:37,450 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:37,450 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2022-07-12 03:13:37,451 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2022-07-12 03:13:37,451 INFO L899 garLoopResultBuilder]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2022-07-12 03:13:37,451 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-12 03:13:37,451 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-07-12 03:13:37,451 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-07-12 03:13:37,451 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-07-12 03:13:37,451 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~y#1|)) (= |ULTIMATE.start_fmod_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (bvslt (bvand (_ bv2147483647 32) .cse0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_fmod_float_~x#1|))))) [2022-07-12 03:13:37,452 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-07-12 03:13:37,452 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:37,452 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_fmod_float_#res#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_7| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_7|)) |ULTIMATE.start_main_~x~0#1|)))) [2022-07-12 03:13:37,452 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-07-12 03:13:37,452 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 140) no Hoare annotation was computed. [2022-07-12 03:13:37,452 INFO L899 garLoopResultBuilder]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2022-07-12 03:13:37,452 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 03:13:37,453 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-07-12 03:13:37,453 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-07-12 03:13:37,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2022-07-12 03:13:37,453 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-07-12 03:13:37,453 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-07-12 03:13:37,453 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-07-12 03:13:37,453 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-07-12 03:13:37,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-07-12 03:13:37,454 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-07-12 03:13:37,454 INFO L902 garLoopResultBuilder]: At program point L142(lines 121 143) the Hoare annotation is: true [2022-07-12 03:13:37,455 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-07-12 03:13:37,455 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-07-12 03:13:37,457 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-12 03:13:37,458 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:13:37,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:13:37 BoogieIcfgContainer [2022-07-12 03:13:37,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:13:37,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:13:37,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:13:37,477 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:13:37,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:32" (3/4) ... [2022-07-12 03:13:37,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 03:13:37,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-07-12 03:13:37,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-12 03:13:37,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 03:13:37,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 03:13:37,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == x && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2022-07-12 03:13:37,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == x && ((\result == 1bv32 && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32))) || ((\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && !~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32)) && \result == 0bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2022-07-12 03:13:37,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && x == x) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x) [2022-07-12 03:13:37,508 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 03:13:37,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:13:37,509 INFO L158 Benchmark]: Toolchain (without parser) took 8738.59ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 36.7MB in the end (delta: 2.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,509 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:13:37,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.64ms. Allocated memory is still 60.8MB. Free memory was 39.5MB in the beginning and 41.9MB in the end (delta: -2.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.64ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,510 INFO L158 Benchmark]: Boogie Preprocessor took 52.47ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,510 INFO L158 Benchmark]: RCFGBuilder took 2801.44ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.7MB in the beginning and 50.9MB in the end (delta: -13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,510 INFO L158 Benchmark]: TraceAbstraction took 5411.93ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 39.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,511 INFO L158 Benchmark]: Witness Printer took 31.39ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 36.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:13:37,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.64ms. Allocated memory is still 60.8MB. Free memory was 39.5MB in the beginning and 41.9MB in the end (delta: -2.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.64ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.47ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2801.44ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.7MB in the beginning and 50.9MB in the end (delta: -13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5411.93ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 39.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 31.39ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 36.7MB in the end (delta: 2.6MB). 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,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: 137]: 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 771 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 152 IncrementalHoareTripleChecker+Unchecked, 600 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 171 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 175 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 34 QuantifiedInterpolants, 1060 SizeOfPredicates, 33 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-07-12 03:13:37,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && x == x) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2022-07-12 03:13:37,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6,QUANTIFIED] [2022-07-12 03:13:37,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (x == x && ((\result == 1bv32 && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32))) || ((\exists v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32][22:0]) == x && !~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~2#1.base_6][0bv32]), 2139095040bv32)) && \result == 0bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 112]: Loop Invariant [2022-07-12 03:13:37,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-12 03:13:37,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: x == x && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 19]: Loop Invariant [2022-07-12 03:13:37,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] [2022-07-12 03:13:37,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_7,QUANTIFIED] Derived loop invariant: x == \result && (\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_7 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_7), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_7[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_7[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_7[22:0]) == x) RESULT: Ultimate proved your program to be correct! [2022-07-12 03:13:37,577 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