./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_0530b.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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 14:14:40,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 14:14:40,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 14:14:40,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 14:14:40,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 14:14:40,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 14:14:40,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 14:14:40,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 14:14:40,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 14:14:40,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 14:14:40,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 14:14:40,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 14:14:40,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 14:14:40,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 14:14:40,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 14:14:40,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 14:14:40,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 14:14:40,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 14:14:40,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 14:14:40,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 14:14:40,211 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 14:14:40,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 14:14:40,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 14:14:40,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 14:14:40,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 14:14:40,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 14:14:40,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 14:14:40,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 14:14:40,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 14:14:40,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 14:14:40,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 14:14:40,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 14:14:40,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 14:14:40,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 14:14:40,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 14:14:40,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 14:14:40,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 14:14:40,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 14:14:40,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 14:14:40,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 14:14:40,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 14:14:40,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 14:14:40,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 14:14:40,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 14:14:40,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 14:14:40,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 14:14:40,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 14:14:40,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 14:14:40,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 14:14:40,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 14:14:40,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 14:14:40,260 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 14:14:40,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 14:14:40,261 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 14:14:40,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 14:14:40,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 14:14:40,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 14:14:40,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 14:14:40,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 14:14:40,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 14:14:40,262 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 14:14:40,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 14:14:40,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 14:14:40,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 14:14:40,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 14:14:40,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 14:14:40,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 14:14:40,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:14:40,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 14:14:40,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 14:14:40,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 14:14:40,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 14:14:40,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 14:14:40,264 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 14:14:40,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 14:14:40,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 14:14:40,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2022-07-19 14:14:40,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 14:14:40,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 14:14:40,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 14:14:40,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 14:14:40,457 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 14:14:40,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-19 14:14:40,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3950505df/62dcbf6486d041dbbd0ecbf5a2aa432a/FLAGff8301083 [2022-07-19 14:14:40,947 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 14:14:40,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-19 14:14:40,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3950505df/62dcbf6486d041dbbd0ecbf5a2aa432a/FLAGff8301083 [2022-07-19 14:14:40,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3950505df/62dcbf6486d041dbbd0ecbf5a2aa432a [2022-07-19 14:14:40,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 14:14:40,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 14:14:40,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 14:14:40,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 14:14:40,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 14:14:40,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:14:40" (1/1) ... [2022-07-19 14:14:40,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b754e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:40, skipping insertion in model container [2022-07-19 14:14:40,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:14:40" (1/1) ... [2022-07-19 14:14:40,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 14:14:41,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 14:14:41,215 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_0530b.c[15592,15605] [2022-07-19 14:14:41,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 14:14:41,256 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 14:14:41,315 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_0530b.c[15592,15605] [2022-07-19 14:14:41,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 14:14:41,341 INFO L208 MainTranslator]: Completed translation [2022-07-19 14:14:41,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41 WrapperNode [2022-07-19 14:14:41,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 14:14:41,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 14:14:41,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 14:14:41,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 14:14:41,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,409 INFO L137 Inliner]: procedures = 25, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1078 [2022-07-19 14:14:41,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 14:14:41,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 14:14:41,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 14:14:41,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 14:14:41,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 14:14:41,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 14:14:41,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 14:14:41,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 14:14:41,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (1/1) ... [2022-07-19 14:14:41,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:14:41,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 14:14:41,525 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) [2022-07-19 14:14:41,542 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 [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-19 14:14:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-19 14:14:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-19 14:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 14:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-19 14:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-19 14:14:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-19 14:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 14:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-07-19 14:14:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-07-19 14:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 14:14:41,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 14:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 14:14:41,755 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 14:14:41,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 14:14:42,406 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 14:14:42,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 14:14:42,412 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-07-19 14:14:42,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:14:42 BoogieIcfgContainer [2022-07-19 14:14:42,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 14:14:42,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 14:14:42,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 14:14:42,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 14:14:42,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 02:14:40" (1/3) ... [2022-07-19 14:14:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac9fe23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 02:14:42, skipping insertion in model container [2022-07-19 14:14:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:41" (2/3) ... [2022-07-19 14:14:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac9fe23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 02:14:42, skipping insertion in model container [2022-07-19 14:14:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:14:42" (3/3) ... [2022-07-19 14:14:42,420 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2022-07-19 14:14:42,430 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 14:14:42,430 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 14:14:42,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 14:14:42,473 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@2da4a86, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3fa5438f [2022-07-19 14:14:42,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 14:14:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 240 states have (on average 1.6916666666666667) internal successors, (406), 241 states have internal predecessors, (406), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 14:14:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-19 14:14:42,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:14:42,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:14:42,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:14:42,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:14:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1895655517, now seen corresponding path program 1 times [2022-07-19 14:14:42,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 14:14:42,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981063861] [2022-07-19 14:14:42,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:14:42,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 14:14:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:14:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:14:42,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 14:14:42,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981063861] [2022-07-19 14:14:42,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981063861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:14:42,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:14:42,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 14:14:42,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162728982] [2022-07-19 14:14:42,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:14:42,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 14:14:42,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 14:14:42,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 14:14:42,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 14:14:42,784 INFO L87 Difference]: Start difference. First operand has 257 states, 240 states have (on average 1.6916666666666667) internal successors, (406), 241 states have internal predecessors, (406), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-19 14:14:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:14:42,841 INFO L93 Difference]: Finished difference Result 512 states and 865 transitions. [2022-07-19 14:14:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 14:14:42,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-07-19 14:14:42,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:14:42,859 INFO L225 Difference]: With dead ends: 512 [2022-07-19 14:14:42,859 INFO L226 Difference]: Without dead ends: 254 [2022-07-19 14:14:42,866 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 [2022-07-19 14:14:42,869 INFO L413 NwaCegarLoop]: 356 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, 356 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 [2022-07-19 14:14:42,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 14:14:42,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-07-19 14:14:42,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2022-07-19 14:14:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 238 states have (on average 1.3907563025210083) internal successors, (331), 238 states have internal predecessors, (331), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 14:14:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 353 transitions. [2022-07-19 14:14:42,932 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 353 transitions. Word has length 10 [2022-07-19 14:14:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:14:42,933 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 353 transitions. [2022-07-19 14:14:42,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-19 14:14:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2022-07-19 14:14:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-19 14:14:42,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:14:42,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:14:42,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 14:14:42,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:14:42,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:14:42,935 INFO L85 PathProgramCache]: Analyzing trace with hash -59977569, now seen corresponding path program 1 times [2022-07-19 14:14:42,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 14:14:42,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882084348] [2022-07-19 14:14:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:14:42,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 14:14:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 14:14:43,068 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 14:14:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 14:14:43,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 14:14:43,153 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 14:14:43,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 14:14:43,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 14:14:43,158 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-19 14:14:43,161 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 14:14:43,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 02:14:43 BoogieIcfgContainer [2022-07-19 14:14:43,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 14:14:43,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 14:14:43,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 14:14:43,226 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 14:14:43,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:14:42" (3/4) ... [2022-07-19 14:14:43,228 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 14:14:43,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 14:14:43,230 INFO L158 Benchmark]: Toolchain (without parser) took 2259.28ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 98.3MB in the beginning and 114.7MB in the end (delta: -16.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-07-19 14:14:43,230 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 14:14:43,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.85ms. Allocated memory is still 134.2MB. Free memory was 98.3MB in the beginning and 90.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 14:14:43,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.94ms. Allocated memory is still 134.2MB. Free memory was 90.1MB in the beginning and 83.0MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 14:14:43,237 INFO L158 Benchmark]: Boogie Preprocessor took 91.13ms. Allocated memory is still 134.2MB. Free memory was 83.0MB in the beginning and 75.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 14:14:43,238 INFO L158 Benchmark]: RCFGBuilder took 912.45ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 75.3MB in the beginning and 115.7MB in the end (delta: -40.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-07-19 14:14:43,238 INFO L158 Benchmark]: TraceAbstraction took 808.99ms. Allocated memory is still 178.3MB. Free memory was 114.7MB in the beginning and 114.7MB in the end (delta: -49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 14:14:43,239 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 178.3MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 14:14:43,241 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 79.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.85ms. Allocated memory is still 134.2MB. Free memory was 98.3MB in the beginning and 90.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.94ms. Allocated memory is still 134.2MB. Free memory was 90.1MB in the beginning and 83.0MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.13ms. Allocated memory is still 134.2MB. Free memory was 83.0MB in the beginning and 75.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 912.45ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 75.3MB in the beginning and 115.7MB in the end (delta: -40.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * TraceAbstraction took 808.99ms. Allocated memory is still 178.3MB. Free memory was 114.7MB in the beginning and 114.7MB in the end (delta: -49.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 178.3MB. Free memory is still 114.7MB. 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: 629]: 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 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = -0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, res == -0.0f && __signbit_float(res) == 1=0, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 356 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, 356 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=257occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-07-19 14:14:43,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0530b.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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 14:14:45,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 14:14:45,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 14:14:45,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 14:14:45,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 14:14:45,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 14:14:45,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 14:14:45,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 14:14:45,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 14:14:45,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 14:14:45,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 14:14:45,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 14:14:45,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 14:14:45,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 14:14:45,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 14:14:45,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 14:14:45,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 14:14:45,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 14:14:45,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 14:14:45,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 14:14:45,232 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 14:14:45,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 14:14:45,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 14:14:45,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 14:14:45,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 14:14:45,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 14:14:45,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 14:14:45,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 14:14:45,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 14:14:45,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 14:14:45,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 14:14:45,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 14:14:45,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 14:14:45,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 14:14:45,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 14:14:45,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 14:14:45,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 14:14:45,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 14:14:45,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 14:14:45,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 14:14:45,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 14:14:45,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 14:14:45,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 14:14:45,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 14:14:45,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 14:14:45,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 14:14:45,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 14:14:45,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 14:14:45,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 14:14:45,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 14:14:45,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 14:14:45,283 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 14:14:45,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 14:14:45,284 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 14:14:45,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 14:14:45,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 14:14:45,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 14:14:45,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 14:14:45,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 14:14:45,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 14:14:45,285 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 14:14:45,285 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 14:14:45,285 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 14:14:45,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 14:14:45,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 14:14:45,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 14:14:45,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 14:14:45,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 14:14:45,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 14:14:45,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:14:45,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 14:14:45,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 14:14:45,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 14:14:45,287 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 14:14:45,288 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 14:14:45,288 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 14:14:45,288 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 14:14:45,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 14:14:45,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 14:14:45,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2022-07-19 14:14:45,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 14:14:45,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 14:14:45,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 14:14:45,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 14:14:45,597 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 14:14:45,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-19 14:14:45,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2e1b5ce/3d38c6520161488584accb3993292ed3/FLAG03aff04bb [2022-07-19 14:14:46,081 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 14:14:46,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2022-07-19 14:14:46,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2e1b5ce/3d38c6520161488584accb3993292ed3/FLAG03aff04bb [2022-07-19 14:14:46,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2e1b5ce/3d38c6520161488584accb3993292ed3 [2022-07-19 14:14:46,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 14:14:46,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 14:14:46,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 14:14:46,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 14:14:46,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 14:14:46,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:46,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a69c7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46, skipping insertion in model container [2022-07-19 14:14:46,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:46,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 14:14:46,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 14:14:46,729 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_0530b.c[15592,15605] [2022-07-19 14:14:46,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 14:14:46,778 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 14:14:46,844 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_0530b.c[15592,15605] [2022-07-19 14:14:46,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 14:14:46,876 INFO L208 MainTranslator]: Completed translation [2022-07-19 14:14:46,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46 WrapperNode [2022-07-19 14:14:46,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 14:14:46,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 14:14:46,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 14:14:46,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 14:14:46,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:46,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:46,999 INFO L137 Inliner]: procedures = 29, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1064 [2022-07-19 14:14:47,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 14:14:47,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 14:14:47,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 14:14:47,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 14:14:47,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 14:14:47,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 14:14:47,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 14:14:47,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 14:14:47,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (1/1) ... [2022-07-19 14:14:47,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 14:14:47,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 14:14:47,109 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) [2022-07-19 14:14:47,135 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 [2022-07-19 14:14:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-19 14:14:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 14:14:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-19 14:14:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-19 14:14:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-19 14:14:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-19 14:14:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-19 14:14:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-19 14:14:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-07-19 14:14:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-07-19 14:14:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 14:14:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 14:14:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 14:14:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 14:14:47,344 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 14:14:47,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 14:15:19,572 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 14:15:19,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 14:15:19,582 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-07-19 14:15:19,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:15:19 BoogieIcfgContainer [2022-07-19 14:15:19,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 14:15:19,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 14:15:19,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 14:15:19,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 14:15:19,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 02:14:46" (1/3) ... [2022-07-19 14:15:19,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b453601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 02:15:19, skipping insertion in model container [2022-07-19 14:15:19,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 02:14:46" (2/3) ... [2022-07-19 14:15:19,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b453601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 02:15:19, skipping insertion in model container [2022-07-19 14:15:19,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:15:19" (3/3) ... [2022-07-19 14:15:19,607 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2022-07-19 14:15:19,619 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 14:15:19,620 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 14:15:19,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 14:15:19,689 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@3bfafe03, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@52263288 [2022-07-19 14:15:19,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 14:15:19,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 14:15:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-19 14:15:19,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:19,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:19,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:19,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:19,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1661351645, now seen corresponding path program 1 times [2022-07-19 14:15:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:19,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115820679] [2022-07-19 14:15:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:19,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:19,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:19,727 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) [2022-07-19 14:15:19,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 14:15:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:20,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 14:15:20,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:20,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:20,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:20,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115820679] [2022-07-19 14:15:20,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115820679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:20,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:20,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 14:15:20,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201686963] [2022-07-19 14:15:20,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:20,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 14:15:20,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:20,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 14:15:20,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 14:15:20,968 INFO L87 Difference]: Start difference. First operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-19 14:15:21,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:15:21,025 INFO L93 Difference]: Finished difference Result 492 states and 821 transitions. [2022-07-19 14:15:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 14:15:21,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-07-19 14:15:21,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:15:21,034 INFO L225 Difference]: With dead ends: 492 [2022-07-19 14:15:21,034 INFO L226 Difference]: Without dead ends: 244 [2022-07-19 14:15:21,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 14:15:21,040 INFO L413 NwaCegarLoop]: 340 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, 340 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 [2022-07-19 14:15:21,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 14:15:21,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-07-19 14:15:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-07-19 14:15:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 228 states have (on average 1.381578947368421) internal successors, (315), 228 states have internal predecessors, (315), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 14:15:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 337 transitions. [2022-07-19 14:15:21,093 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 337 transitions. Word has length 10 [2022-07-19 14:15:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:15:21,095 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 337 transitions. [2022-07-19 14:15:21,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-19 14:15:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2022-07-19 14:15:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-19 14:15:21,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:21,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:21,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 14:15:21,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:15:21,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:21,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:21,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1285007371, now seen corresponding path program 1 times [2022-07-19 14:15:21,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:21,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408370123] [2022-07-19 14:15:21,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:21,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:21,315 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) [2022-07-19 14:15:21,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 14:15:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:22,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 14:15:22,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:23,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:23,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:23,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:23,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408370123] [2022-07-19 14:15:23,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408370123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:23,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:23,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 14:15:23,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527911351] [2022-07-19 14:15:23,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:23,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 14:15:23,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:23,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 14:15:23,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 14:15:23,029 INFO L87 Difference]: Start difference. First operand 244 states and 337 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 14:15:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:15:23,294 INFO L93 Difference]: Finished difference Result 290 states and 390 transitions. [2022-07-19 14:15:23,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 14:15:23,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-19 14:15:23,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:15:23,296 INFO L225 Difference]: With dead ends: 290 [2022-07-19 14:15:23,296 INFO L226 Difference]: Without dead ends: 54 [2022-07-19 14:15:23,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 14:15:23,297 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 14:15:23,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 230 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 3 Unchecked, 0.1s Time] [2022-07-19 14:15:23,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-19 14:15:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-19 14:15:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 14:15:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2022-07-19 14:15:23,302 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 11 [2022-07-19 14:15:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:15:23,302 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2022-07-19 14:15:23,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 14:15:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2022-07-19 14:15:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 14:15:23,303 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:23,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:23,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-19 14:15:23,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:15:23,524 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:23,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:23,524 INFO L85 PathProgramCache]: Analyzing trace with hash 632012606, now seen corresponding path program 1 times [2022-07-19 14:15:23,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:23,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808052060] [2022-07-19 14:15:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:23,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:23,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:23,527 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) [2022-07-19 14:15:23,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 14:15:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:25,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-19 14:15:25,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:26,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:26,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:26,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808052060] [2022-07-19 14:15:26,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808052060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:26,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:26,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 14:15:26,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701676640] [2022-07-19 14:15:26,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:26,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 14:15:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:26,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 14:15:26,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 14:15:26,934 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:27,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:15:27,983 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2022-07-19 14:15:28,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 14:15:28,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-07-19 14:15:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:15:28,022 INFO L225 Difference]: With dead ends: 82 [2022-07-19 14:15:28,022 INFO L226 Difference]: Without dead ends: 54 [2022-07-19 14:15:28,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-19 14:15:28,023 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 14:15:28,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 297 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 25 Unchecked, 0.8s Time] [2022-07-19 14:15:28,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-19 14:15:28,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-19 14:15:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 14:15:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2022-07-19 14:15:28,026 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 22 [2022-07-19 14:15:28,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:15:28,026 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2022-07-19 14:15:28,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2022-07-19 14:15:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 14:15:28,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:28,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:28,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 14:15:28,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:15:28,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574363, now seen corresponding path program 1 times [2022-07-19 14:15:28,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:28,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026579697] [2022-07-19 14:15:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:28,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:28,249 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) [2022-07-19 14:15:28,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 14:15:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:30,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 14:15:30,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:31,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:31,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:31,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026579697] [2022-07-19 14:15:31,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026579697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:31,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:31,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 14:15:31,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280931573] [2022-07-19 14:15:31,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:31,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 14:15:31,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:31,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 14:15:31,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 14:15:31,365 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:34,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 14:15:38,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:15:41,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:15:41,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:15:41,497 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2022-07-19 14:15:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 14:15:41,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-19 14:15:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:15:41,500 INFO L225 Difference]: With dead ends: 68 [2022-07-19 14:15:41,500 INFO L226 Difference]: Without dead ends: 38 [2022-07-19 14:15:41,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-19 14:15:41,501 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-19 14:15:41,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 153 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2022-07-19 14:15:41,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-07-19 14:15:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-07-19 14:15:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 14:15:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-07-19 14:15:41,503 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 23 [2022-07-19 14:15:41,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:15:41,503 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-07-19 14:15:41,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-07-19 14:15:41,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 14:15:41,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:41,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:41,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 14:15:41,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:15:41,712 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:41,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:41,712 INFO L85 PathProgramCache]: Analyzing trace with hash 521946787, now seen corresponding path program 1 times [2022-07-19 14:15:41,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:41,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250034044] [2022-07-19 14:15:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:41,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:41,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:41,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:15:41,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 14:15:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:42,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-19 14:15:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:44,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:44,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:44,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250034044] [2022-07-19 14:15:44,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250034044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:44,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:44,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 14:15:44,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756245109] [2022-07-19 14:15:44,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:44,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 14:15:44,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 14:15:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 14:15:44,305 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:46,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:15:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:15:49,374 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2022-07-19 14:15:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 14:15:49,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-19 14:15:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:15:49,375 INFO L225 Difference]: With dead ends: 54 [2022-07-19 14:15:49,375 INFO L226 Difference]: Without dead ends: 51 [2022-07-19 14:15:49,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-07-19 14:15:49,376 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-19 14:15:49,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-19 14:15:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-19 14:15:49,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2022-07-19 14:15:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 14:15:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-07-19 14:15:49,380 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2022-07-19 14:15:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:15:49,380 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-07-19 14:15:49,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-07-19 14:15:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 14:15:49,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:49,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:49,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 14:15:49,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:15:49,592 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:49,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:49,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1202005157, now seen corresponding path program 1 times [2022-07-19 14:15:49,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:49,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541197149] [2022-07-19 14:15:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:49,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:49,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:49,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:15:49,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 14:15:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:50,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 14:15:50,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:51,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:51,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:51,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541197149] [2022-07-19 14:15:51,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541197149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:51,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:51,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 14:15:51,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249640922] [2022-07-19 14:15:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:51,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 14:15:51,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:51,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 14:15:51,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 14:15:51,388 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:53,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-19 14:15:53,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:15:53,836 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-07-19 14:15:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 14:15:53,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-19 14:15:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:15:53,837 INFO L225 Difference]: With dead ends: 53 [2022-07-19 14:15:53,837 INFO L226 Difference]: Without dead ends: 28 [2022-07-19 14:15:53,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 14:15:53,838 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-19 14:15:53,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 92 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-19 14:15:53,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-07-19 14:15:53,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-07-19 14:15:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2022-07-19 14:15:53,840 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 23 [2022-07-19 14:15:53,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:15:53,840 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2022-07-19 14:15:53,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:15:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2022-07-19 14:15:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-19 14:15:53,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 14:15:53,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:15:53,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-19 14:15:54,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:15:54,041 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 14:15:54,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 14:15:54,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1963668792, now seen corresponding path program 1 times [2022-07-19 14:15:54,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 14:15:54,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537962239] [2022-07-19 14:15:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 14:15:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 14:15:54,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 14:15:54,044 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 14:15:54,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 14:15:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 14:15:55,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-19 14:15:55,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 14:15:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 14:15:57,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 14:15:57,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 14:15:57,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537962239] [2022-07-19 14:15:57,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537962239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 14:15:57,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 14:15:57,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-19 14:15:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655744129] [2022-07-19 14:15:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 14:15:57,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-19 14:15:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 14:15:57,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-19 14:15:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-19 14:15:57,967 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:16:01,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 14:16:01,862 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2022-07-19 14:16:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 14:16:01,862 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-07-19 14:16:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 14:16:01,863 INFO L225 Difference]: With dead ends: 28 [2022-07-19 14:16:01,863 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 14:16:01,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-07-19 14:16:01,863 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-19 14:16:01,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 122 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-19 14:16:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 14:16:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 14:16:01,864 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) [2022-07-19 14:16:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 14:16:01,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-07-19 14:16:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 14:16:01,864 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 14:16:01,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 14:16:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 14:16:01,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 14:16:01,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 14:16:01,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-19 14:16:02,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 14:16:02,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 14:16:04,322 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 59 77) no Hoare annotation was computed. [2022-07-19 14:16:04,322 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 59 77) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 59 77) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L902 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: true [2022-07-19 14:16:04,323 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 59 77) the Hoare annotation is: true [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 59 77) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 517) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L510-2(lines 501 579) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 501 579) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 522) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L519-2(lines 519 522) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L515-2(line 515) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 516) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 501 579) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L902 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 501 579) the Hoare annotation is: true [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 515) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L504-1(lines 504 508) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L895 garLoopResultBuilder]: At program point L504-2(lines 504 508) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L504-3(lines 504 508) no Hoare annotation was computed. [2022-07-19 14:16:04,323 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 566 570) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L895 garLoopResultBuilder]: At program point L566-2(lines 566 570) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L895 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2022-07-19 14:16:04,324 INFO L895 garLoopResultBuilder]: At program point L513(line 513) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|) (not (= (_ bv1 32) |__kernel_tanf_#in~iy|))) [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L513-1(line 513) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 549 578) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 549 578) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 527) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 578) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 134 147) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 134 147) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 134 147) the Hoare annotation is: true [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 134 147) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L902 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2022-07-19 14:16:04,324 INFO L895 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2022-07-19 14:16:04,324 INFO L899 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 290 330) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 452) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 421 453) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 275) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L268-2(lines 259 276) the Hoare annotation is: false [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: false [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L902 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: false [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L600-2(lines 581 602) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0))) [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L171-2(lines 171 172) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L469-2(lines 469 473) the Hoare annotation is: false [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L304-2(lines 304 305) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 208) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L895 garLoopResultBuilder]: At program point L304-3(lines 304 305) the Hoare annotation is: false [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L304-4(lines 290 330) no Hoare annotation was computed. [2022-07-19 14:16:04,325 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 411) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L404-2(lines 404 411) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 208) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L240-1(lines 162 332) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L207-2(lines 162 332) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L895 garLoopResultBuilder]: At program point L439-2(lines 439 443) the Hoare annotation is: false [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 243) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L895 garLoopResultBuilder]: At program point L242-3(lines 242 243) the Hoare annotation is: false [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L242-4(lines 240 257) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L474-2(lines 474 477) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L895 garLoopResultBuilder]: At program point L474-3(lines 474 477) the Hoare annotation is: false [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L474-4(lines 474 477) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 313) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L210(lines 162 332) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 313) the Hoare annotation is: false [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 309 313) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L177-2(lines 177 178) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L895 garLoopResultBuilder]: At program point L177-3(lines 177 178) the Hoare annotation is: false [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L177-4(lines 177 178) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2022-07-19 14:16:04,326 INFO L895 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L178-2(line 178) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 246) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L245-3(lines 245 246) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L895 garLoopResultBuilder]: At program point L245-4(lines 245 246) the Hoare annotation is: false [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L245-5(lines 245 246) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L279-2(lines 279 282) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L895 garLoopResultBuilder]: At program point L279-3(lines 279 282) the Hoare annotation is: false [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 222) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L279-4(lines 279 282) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L180-2(lines 180 184) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L895 garLoopResultBuilder]: At program point L213-3(lines 213 222) the Hoare annotation is: false [2022-07-19 14:16:04,327 INFO L895 garLoopResultBuilder]: At program point L180-3(lines 180 184) the Hoare annotation is: false [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L213-4(lines 210 238) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L180-4(lines 180 184) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L379-1(lines 379 383) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L895 garLoopResultBuilder]: At program point L379-2(lines 379 383) the Hoare annotation is: false [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L181-2(lines 181 182) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L895 garLoopResultBuilder]: At program point L181-3(lines 181 182) the Hoare annotation is: false [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L181-4(lines 181 182) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2022-07-19 14:16:04,327 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 253) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L248-3(lines 248 253) the Hoare annotation is: false [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L248-4(lines 248 253) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L480-1(lines 480 481) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L480-3(lines 480 481) the Hoare annotation is: false [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L480-4(lines 480 481) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 219) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L613(lines 604 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~2#1|)) .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 461) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L250-2(lines 250 251) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L250-3(lines 250 251) the Hoare annotation is: false [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L250-4(lines 250 251) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: false [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L416-1(line 416) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2022-07-19 14:16:04,328 INFO L895 garLoopResultBuilder]: At program point L284-3(lines 284 288) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L284-4(lines 284 288) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L285-2(lines 285 286) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L285-3(lines 285 286) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L285-4(lines 285 286) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L319-4(lines 290 330) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L255(lines 162 332) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L189-4(lines 189 193) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L421-2(lines 421 453) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 210 238) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L488(lines 373 489) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 460) no Hoare annotation was computed. [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L290(lines 290 330) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L895 garLoopResultBuilder]: At program point L224(lines 224 231) the Hoare annotation is: false [2022-07-19 14:16:04,329 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 414) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L291(line 291) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 413) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L293-2(lines 293 294) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L895 garLoopResultBuilder]: At program point L293-3(lines 293 294) the Hoare annotation is: false [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L293-4(lines 290 330) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 400) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 393 400) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 601) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 427 431) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L895 garLoopResultBuilder]: At program point L427-2(lines 427 431) the Hoare annotation is: false [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L262-1(lines 262 265) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L895 garLoopResultBuilder]: At program point L262-3(lines 262 265) the Hoare annotation is: false [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L593-1(line 593) no Hoare annotation was computed. [2022-07-19 14:16:04,330 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L297(line 297) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L297-2(line 297) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 466) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L895 garLoopResultBuilder]: At program point L331(lines 161 332) the Hoare annotation is: false [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L902 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 108) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L98-2(lines 98 108) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L902 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: true [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L902 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 83 133) no Hoare annotation was computed. [2022-07-19 14:16:04,331 INFO L902 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: true [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L124-1(line 124) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L902 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: true [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 119) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 83 133) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L902 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 83 133) the Hoare annotation is: true [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 97) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2022-07-19 14:16:04,332 INFO L902 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: true [2022-07-19 14:16:04,332 INFO L899 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2022-07-19 14:16:04,334 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-19 14:16:04,336 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 14:16:04,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 02:16:04 BoogieIcfgContainer [2022-07-19 14:16:04,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 14:16:04,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 14:16:04,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 14:16:04,356 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 14:16:04,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 02:15:19" (3/4) ... [2022-07-19 14:16:04,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 14:16:04,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-07-19 14:16:04,362 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-19 14:16:04,363 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2022-07-19 14:16:04,363 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2022-07-19 14:16:04,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2022-07-19 14:16:04,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-07-19 14:16:04,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-19 14:16:04,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 14:16:04,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && iy == \old(iy) [2022-07-19 14:16:04,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-19 14:16:04,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-19 14:16:04,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-19 14:16:04,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) [2022-07-19 14:16:04,482 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 14:16:04,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 14:16:04,483 INFO L158 Benchmark]: Toolchain (without parser) took 78023.92ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 41.0MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,483 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 14:16:04,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.01ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 55.2MB in the end (delta: -14.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.00ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 48.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,484 INFO L158 Benchmark]: Boogie Preprocessor took 68.10ms. Allocated memory is still 79.7MB. Free memory was 48.1MB in the beginning and 40.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,484 INFO L158 Benchmark]: RCFGBuilder took 32515.62ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 35.8MB in the end (delta: 4.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,484 INFO L158 Benchmark]: TraceAbstraction took 44769.70ms. Allocated memory is still 79.7MB. Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,484 INFO L158 Benchmark]: Witness Printer took 126.65ms. Allocated memory is still 79.7MB. Free memory was 33.3MB in the beginning and 38.2MB in the end (delta: -4.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 14:16:04,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.01ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 55.2MB in the end (delta: -14.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.00ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 48.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.10ms. Allocated memory is still 79.7MB. Free memory was 48.1MB in the beginning and 40.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 32515.62ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 35.8MB in the end (delta: 4.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 44769.70ms. Allocated memory is still 79.7MB. Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 126.65ms. Allocated memory is still 79.7MB. Free memory was 33.3MB in the beginning and 38.2MB in the end (delta: -4.8MB). Peak memory consumption was 14.7MB. 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[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,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: 629]: 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 5 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 18.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 1438 SdHoareTripleChecker+Invalid, 17.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 28 IncrementalHoareTripleChecker+Unchecked, 848 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 590 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 150 PreInvPairs, 163 NumberOfFragments, 170 HoareAnnotationTreeSize, 150 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 7 QuantifiedInterpolants, 478 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2798 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: \old(x) == x && iy == \old(iy) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 554]: Loop Invariant [2022-07-19 14:16:04,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,497 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant [2022-07-19 14:16:04,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2022-07-19 14:16:04,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 14:16:04,716 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