./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_0270a.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 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:37:53,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:37:53,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:37:53,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:37:53,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:37:53,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:37:53,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:37:53,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:37:53,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:37:53,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:37:53,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:37:53,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:37:53,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:37:53,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:37:53,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:37:53,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:37:53,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:37:53,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:37:53,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:37:53,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:37:53,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:37:53,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:37:53,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:37:53,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:37:53,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:37:53,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:37:53,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:37:53,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:37:53,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:37:53,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:37:53,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:37:53,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:37:53,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:37:53,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:37:53,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:37:53,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:37:53,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:37:53,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:37:53,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:37:53,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:37:53,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:37:53,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:37:53,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:37:53,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:37:53,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:37:53,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:37:53,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:37:53,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:37:53,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:37:53,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:37:53,293 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:37:53,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:37:53,294 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:37:53,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:37:53,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:37:53,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:37:53,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:37:53,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:37:53,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:37:53,296 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:37:53,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:37:53,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:37:53,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:37:53,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:37:53,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:37:53,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:37:53,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:37:53,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:37:53,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:37:53,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:37:53,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:37:53,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:37:53,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:37:53,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:37:53,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:37:53,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 [2022-02-20 16:37:53,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:37:53,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:37:53,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:37:53,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:37:53,534 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:37:53,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2022-02-20 16:37:53,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b837b8a/7d041b7e2a644bb39c263c73b52a3a49/FLAGcc617cc09 [2022-02-20 16:37:53,983 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:37:53,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2022-02-20 16:37:53,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b837b8a/7d041b7e2a644bb39c263c73b52a3a49/FLAGcc617cc09 [2022-02-20 16:37:54,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b837b8a/7d041b7e2a644bb39c263c73b52a3a49 [2022-02-20 16:37:54,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:37:54,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:37:54,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:37:54,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:37:54,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:37:54,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45df3d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54, skipping insertion in model container [2022-02-20 16:37:54,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:37:54,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:37:54,656 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_0270a.c[4702,4715] [2022-02-20 16:37:54,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:37:54,676 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:37:54,733 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_0270a.c[4702,4715] [2022-02-20 16:37:54,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:37:54,758 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:37:54,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54 WrapperNode [2022-02-20 16:37:54,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:37:54,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:37:54,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:37:54,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:37:54,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,824 INFO L137 Inliner]: procedures = 19, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 292 [2022-02-20 16:37:54,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:37:54,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:37:54,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:37:54,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:37:54,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:37:54,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:37:54,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:37:54,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:37:54,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (1/1) ... [2022-02-20 16:37:54,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:37:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:37:54,910 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) [2022-02-20 16:37:54,912 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 [2022-02-20 16:37:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:37:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:37:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:37:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-20 16:37:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:37:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-20 16:37:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:37:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:37:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:37:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:37:55,018 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:37:55,020 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:37:55,440 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:37:55,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:37:55,451 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 16:37:55,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:37:55 BoogieIcfgContainer [2022-02-20 16:37:55,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:37:55,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:37:55,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:37:55,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:37:55,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:37:54" (1/3) ... [2022-02-20 16:37:55,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc9bd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:37:55, skipping insertion in model container [2022-02-20 16:37:55,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:37:54" (2/3) ... [2022-02-20 16:37:55,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc9bd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:37:55, skipping insertion in model container [2022-02-20 16:37:55,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:37:55" (3/3) ... [2022-02-20 16:37:55,463 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2022-02-20 16:37:55,468 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:37:55,468 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:37:55,508 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:37:55,514 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:37:55,514 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:37:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 68 states have (on average 1.75) internal successors, (119), 69 states have internal predecessors, (119), 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) [2022-02-20 16:37:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:37:55,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:37:55,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:37:55,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:37:55,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:37:55,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1822908428, now seen corresponding path program 1 times [2022-02-20 16:37:55,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:37:55,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258215813] [2022-02-20 16:37:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:37:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:37:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:37:55,704 INFO L290 TraceCheckUtils]: 0: Hoare triple {73#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30;~one_asin~0 := 1.0;~huge_asin~0 := 1.0E30;~pio2_hi_asin~0 := 1.5707963705062866;~pio2_lo_asin~0 := ~someUnaryFLOAToperation(4.3711390001862426E-8);~pio4_hi_asin~0 := 0.7853981852531433;~pS0_asin~0 := 0.16666667163;~pS1_asin~0 := ~someUnaryDOUBLEoperation(0.32556581497);~pS2_asin~0 := 0.20121252537;~pS3_asin~0 := ~someUnaryDOUBLEoperation(0.040055535734);~pS4_asin~0 := 7.9153501429E-4;~pS5_asin~0 := 3.4793309169E-5;~qS1_asin~0 := ~someUnaryDOUBLEoperation(2.4033949375);~qS2_asin~0 := 2.0209457874;~qS3_asin~0 := ~someUnaryDOUBLEoperation(0.68828397989);~qS4_asin~0 := 0.077038154006; {73#true} is VALID [2022-02-20 16:37:55,705 INFO L290 TraceCheckUtils]: 1: Hoare triple {73#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_#t~ret19#1, main_#t~short20#1, main_~x~0#1, main_~res~0#1;main_~x~0#1 := ~someUnaryFLOAToperation(0.0);assume { :begin_inline___ieee754_asinf } true;__ieee754_asinf_#in~x#1 := main_~x~0#1;havoc __ieee754_asinf_#res#1;havoc __ieee754_asinf_#t~mem12#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, __ieee754_asinf_#t~ret14#1, __ieee754_asinf_#t~ret15#1, __ieee754_asinf_#t~mem16#1, __ieee754_asinf_~#gf_u~4#1.base, __ieee754_asinf_~#gf_u~4#1.offset, __ieee754_asinf_#t~mem17#1, __ieee754_asinf_~#sf_u~2#1.base, __ieee754_asinf_~#sf_u~2#1.offset, __ieee754_asinf_~iw~0#1, __ieee754_asinf_~x#1, __ieee754_asinf_~t~1#1, __ieee754_asinf_~w~1#1, __ieee754_asinf_~p~0#1, __ieee754_asinf_~q~1#1, __ieee754_asinf_~c~0#1, __ieee754_asinf_~r~1#1, __ieee754_asinf_~s~1#1, __ieee754_asinf_~hx~1#1, __ieee754_asinf_~ix~2#1, __ieee754_asinf_#t~nondet13#1;__ieee754_asinf_~x#1 := __ieee754_asinf_#in~x#1;havoc __ieee754_asinf_~t~1#1;havoc __ieee754_asinf_~w~1#1;havoc __ieee754_asinf_~p~0#1;havoc __ieee754_asinf_~q~1#1;havoc __ieee754_asinf_~c~0#1;havoc __ieee754_asinf_~r~1#1;havoc __ieee754_asinf_~s~1#1;havoc __ieee754_asinf_~hx~1#1;havoc __ieee754_asinf_~ix~2#1; {73#true} is VALID [2022-02-20 16:37:55,708 INFO L290 TraceCheckUtils]: 2: Hoare triple {73#true} assume !true; {74#false} is VALID [2022-02-20 16:37:55,709 INFO L290 TraceCheckUtils]: 3: Hoare triple {74#false} assume 0 == __ieee754_asinf_~hx~1#1;__ieee754_asinf_~ix~2#1 := 0; {74#false} is VALID [2022-02-20 16:37:55,709 INFO L290 TraceCheckUtils]: 4: Hoare triple {74#false} assume 1065353216 == __ieee754_asinf_~ix~2#1;__ieee754_asinf_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_asinf_~x#1, ~pio2_hi_asin~0), ~someBinaryArithmeticFLOAToperation(__ieee754_asinf_~x#1, ~pio2_lo_asin~0)); {74#false} is VALID [2022-02-20 16:37:55,709 INFO L290 TraceCheckUtils]: 5: Hoare triple {74#false} main_#t~ret18#1 := __ieee754_asinf_#res#1;assume { :end_inline___ieee754_asinf } true;main_~res~0#1 := main_#t~ret18#1;havoc main_#t~ret18#1;main_#t~short20#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, ~someUnaryFLOAToperation(0.0)); {74#false} is VALID [2022-02-20 16:37:55,709 INFO L290 TraceCheckUtils]: 6: Hoare triple {74#false} assume !main_#t~short20#1; {74#false} is VALID [2022-02-20 16:37:55,710 INFO L290 TraceCheckUtils]: 7: Hoare triple {74#false} assume !main_#t~short20#1;havoc main_#t~ret19#1;havoc main_#t~short20#1; {74#false} is VALID [2022-02-20 16:37:55,710 INFO L290 TraceCheckUtils]: 8: Hoare triple {74#false} assume !false; {74#false} is VALID [2022-02-20 16:37:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:37:55,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:37:55,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258215813] [2022-02-20 16:37:55,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258215813] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:37:55,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:37:55,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:37:55,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060669617] [2022-02-20 16:37:55,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:37:55,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-02-20 16:37:55,724 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:37:55,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:37:55,747 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:37:55,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:37:55,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:37:55,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:37:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:37:55,777 INFO L87 Difference]: Start difference. First operand has 70 states, 68 states have (on average 1.75) internal successors, (119), 69 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:37:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:37:55,899 INFO L93 Difference]: Finished difference Result 138 states and 236 transitions. [2022-02-20 16:37:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:37:55,900 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-02-20 16:37:55,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:37:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:37:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 236 transitions. [2022-02-20 16:37:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:37:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 236 transitions. [2022-02-20 16:37:55,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 236 transitions. [2022-02-20 16:37:56,118 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:37:56,130 INFO L225 Difference]: With dead ends: 138 [2022-02-20 16:37:56,131 INFO L226 Difference]: Without dead ends: 67 [2022-02-20 16:37:56,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:37:56,139 INFO L933 BasicCegarLoop]: 93 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, 93 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 [2022-02-20 16:37:56,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:37:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-02-20 16:37:56,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-02-20 16:37:56,169 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:37:56,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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) [2022-02-20 16:37:56,171 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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) [2022-02-20 16:37:56,171 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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) [2022-02-20 16:37:56,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:37:56,178 INFO L93 Difference]: Finished difference Result 67 states and 90 transitions. [2022-02-20 16:37:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-02-20 16:37:56,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:37:56,179 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:37:56,180 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 67 states. [2022-02-20 16:37:56,181 INFO L87 Difference]: Start difference. First operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 67 states. [2022-02-20 16:37:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:37:56,184 INFO L93 Difference]: Finished difference Result 67 states and 90 transitions. [2022-02-20 16:37:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-02-20 16:37:56,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:37:56,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:37:56,185 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:37:56,186 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:37:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 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) [2022-02-20 16:37:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 90 transitions. [2022-02-20 16:37:56,190 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 90 transitions. Word has length 9 [2022-02-20 16:37:56,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:37:56,191 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 90 transitions. [2022-02-20 16:37:56,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:37:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-02-20 16:37:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 16:37:56,192 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:37:56,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:37:56,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:37:56,192 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:37:56,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:37:56,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1565442385, now seen corresponding path program 1 times [2022-02-20 16:37:56,194 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:37:56,194 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939403649] [2022-02-20 16:37:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:37:56,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:37:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:37:56,249 INFO L290 TraceCheckUtils]: 0: Hoare triple {454#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30;~one_asin~0 := 1.0;~huge_asin~0 := 1.0E30;~pio2_hi_asin~0 := 1.5707963705062866;~pio2_lo_asin~0 := ~someUnaryFLOAToperation(4.3711390001862426E-8);~pio4_hi_asin~0 := 0.7853981852531433;~pS0_asin~0 := 0.16666667163;~pS1_asin~0 := ~someUnaryDOUBLEoperation(0.32556581497);~pS2_asin~0 := 0.20121252537;~pS3_asin~0 := ~someUnaryDOUBLEoperation(0.040055535734);~pS4_asin~0 := 7.9153501429E-4;~pS5_asin~0 := 3.4793309169E-5;~qS1_asin~0 := ~someUnaryDOUBLEoperation(2.4033949375);~qS2_asin~0 := 2.0209457874;~qS3_asin~0 := ~someUnaryDOUBLEoperation(0.68828397989);~qS4_asin~0 := 0.077038154006; {454#true} is VALID [2022-02-20 16:37:56,249 INFO L290 TraceCheckUtils]: 1: Hoare triple {454#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_#t~ret19#1, main_#t~short20#1, main_~x~0#1, main_~res~0#1;main_~x~0#1 := ~someUnaryFLOAToperation(0.0);assume { :begin_inline___ieee754_asinf } true;__ieee754_asinf_#in~x#1 := main_~x~0#1;havoc __ieee754_asinf_#res#1;havoc __ieee754_asinf_#t~mem12#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, __ieee754_asinf_#t~ret14#1, __ieee754_asinf_#t~ret15#1, __ieee754_asinf_#t~mem16#1, __ieee754_asinf_~#gf_u~4#1.base, __ieee754_asinf_~#gf_u~4#1.offset, __ieee754_asinf_#t~mem17#1, __ieee754_asinf_~#sf_u~2#1.base, __ieee754_asinf_~#sf_u~2#1.offset, __ieee754_asinf_~iw~0#1, __ieee754_asinf_~x#1, __ieee754_asinf_~t~1#1, __ieee754_asinf_~w~1#1, __ieee754_asinf_~p~0#1, __ieee754_asinf_~q~1#1, __ieee754_asinf_~c~0#1, __ieee754_asinf_~r~1#1, __ieee754_asinf_~s~1#1, __ieee754_asinf_~hx~1#1, __ieee754_asinf_~ix~2#1, __ieee754_asinf_#t~nondet13#1;__ieee754_asinf_~x#1 := __ieee754_asinf_#in~x#1;havoc __ieee754_asinf_~t~1#1;havoc __ieee754_asinf_~w~1#1;havoc __ieee754_asinf_~p~0#1;havoc __ieee754_asinf_~q~1#1;havoc __ieee754_asinf_~c~0#1;havoc __ieee754_asinf_~r~1#1;havoc __ieee754_asinf_~s~1#1;havoc __ieee754_asinf_~hx~1#1;havoc __ieee754_asinf_~ix~2#1; {454#true} is VALID [2022-02-20 16:37:56,250 INFO L290 TraceCheckUtils]: 2: Hoare triple {454#true} call __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4);call write~real(__ieee754_asinf_~x#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, 4);call __ieee754_asinf_#t~mem12#1 := read~int(__ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, 4);__ieee754_asinf_~hx~1#1 := (if __ieee754_asinf_#t~mem12#1 % 4294967296 % 4294967296 <= 2147483647 then __ieee754_asinf_#t~mem12#1 % 4294967296 % 4294967296 else __ieee754_asinf_#t~mem12#1 % 4294967296 % 4294967296 - 4294967296);havoc __ieee754_asinf_#t~mem12#1;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset);havoc __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset; {454#true} is VALID [2022-02-20 16:37:56,250 INFO L290 TraceCheckUtils]: 3: Hoare triple {454#true} goto; {454#true} is VALID [2022-02-20 16:37:56,250 INFO L290 TraceCheckUtils]: 4: Hoare triple {454#true} assume 0 == __ieee754_asinf_~hx~1#1;__ieee754_asinf_~ix~2#1 := 0; {456#(= |ULTIMATE.start___ieee754_asinf_~ix~2#1| 0)} is VALID [2022-02-20 16:37:56,251 INFO L290 TraceCheckUtils]: 5: Hoare triple {456#(= |ULTIMATE.start___ieee754_asinf_~ix~2#1| 0)} assume 1065353216 == __ieee754_asinf_~ix~2#1;__ieee754_asinf_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_asinf_~x#1, ~pio2_hi_asin~0), ~someBinaryArithmeticFLOAToperation(__ieee754_asinf_~x#1, ~pio2_lo_asin~0)); {455#false} is VALID [2022-02-20 16:37:56,251 INFO L290 TraceCheckUtils]: 6: Hoare triple {455#false} main_#t~ret18#1 := __ieee754_asinf_#res#1;assume { :end_inline___ieee754_asinf } true;main_~res~0#1 := main_#t~ret18#1;havoc main_#t~ret18#1;main_#t~short20#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, ~someUnaryFLOAToperation(0.0)); {455#false} is VALID [2022-02-20 16:37:56,252 INFO L290 TraceCheckUtils]: 7: Hoare triple {455#false} assume !main_#t~short20#1; {455#false} is VALID [2022-02-20 16:37:56,252 INFO L290 TraceCheckUtils]: 8: Hoare triple {455#false} assume !main_#t~short20#1;havoc main_#t~ret19#1;havoc main_#t~short20#1; {455#false} is VALID [2022-02-20 16:37:56,252 INFO L290 TraceCheckUtils]: 9: Hoare triple {455#false} assume !false; {455#false} is VALID [2022-02-20 16:37:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:37:56,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:37:56,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939403649] [2022-02-20 16:37:56,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939403649] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:37:56,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:37:56,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:37:56,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259442649] [2022-02-20 16:37:56,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:37:56,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-02-20 16:37:56,255 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:37:56,256 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-02-20 16:37:56,264 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:37:56,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:37:56,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:37:56,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:37:56,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:37:56,266 INFO L87 Difference]: Start difference. First operand 67 states and 90 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-02-20 16:37:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:37:56,466 INFO L93 Difference]: Finished difference Result 180 states and 240 transitions. [2022-02-20 16:37:56,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:37:56,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-02-20 16:37:56,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:37:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-02-20 16:37:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2022-02-20 16:37:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-02-20 16:37:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2022-02-20 16:37:56,473 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 240 transitions. [2022-02-20 16:37:56,698 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 240 edges. 240 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:37:56,702 INFO L225 Difference]: With dead ends: 180 [2022-02-20 16:37:56,702 INFO L226 Difference]: Without dead ends: 126 [2022-02-20 16:37:56,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:37:56,704 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 75 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:37:56,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 172 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:37:56,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-02-20 16:37:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 111. [2022-02-20 16:37:56,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:37:56,713 INFO L82 GeneralOperation]: Start isEquivalent. First operand 126 states. Second operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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) [2022-02-20 16:37:56,714 INFO L74 IsIncluded]: Start isIncluded. First operand 126 states. Second operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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) [2022-02-20 16:37:56,714 INFO L87 Difference]: Start difference. First operand 126 states. Second operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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) [2022-02-20 16:37:56,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:37:56,719 INFO L93 Difference]: Finished difference Result 126 states and 165 transitions. [2022-02-20 16:37:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2022-02-20 16:37:56,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:37:56,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:37:56,721 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 126 states. [2022-02-20 16:37:56,721 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 126 states. [2022-02-20 16:37:56,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:37:56,726 INFO L93 Difference]: Finished difference Result 126 states and 165 transitions. [2022-02-20 16:37:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2022-02-20 16:37:56,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:37:56,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:37:56,727 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:37:56,727 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:37:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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) [2022-02-20 16:37:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 149 transitions. [2022-02-20 16:37:56,732 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 149 transitions. Word has length 10 [2022-02-20 16:37:56,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:37:56,732 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 149 transitions. [2022-02-20 16:37:56,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-02-20 16:37:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2022-02-20 16:37:56,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 16:37:56,733 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:37:56,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:37:56,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:37:56,734 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:37:56,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:37:56,735 INFO L85 PathProgramCache]: Analyzing trace with hash -285909876, now seen corresponding path program 1 times [2022-02-20 16:37:56,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:37:56,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135681153] [2022-02-20 16:37:56,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:37:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:37:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:37:56,774 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:37:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:37:56,830 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:37:56,831 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:37:56,831 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:37:56,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 16:37:56,836 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-20 16:37:56,839 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:37:56,889 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:37:56,890 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L122-3 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L122-3 has no Hoare annotation [2022-02-20 16:37:56,891 WARN L170 areAnnotationChecker]: L127-7 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L127-7 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2022-02-20 16:37:56,892 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L127-5 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L127-5 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2022-02-20 16:37:56,893 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2022-02-20 16:37:56,894 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2022-02-20 16:37:56,894 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2022-02-20 16:37:56,894 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2022-02-20 16:37:56,894 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2022-02-20 16:37:56,895 WARN L170 areAnnotationChecker]: L133-1 has no Hoare annotation [2022-02-20 16:37:56,895 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2022-02-20 16:37:56,898 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2022-02-20 16:37:56,898 WARN L170 areAnnotationChecker]: L17-3 has no Hoare annotation [2022-02-20 16:37:56,898 WARN L170 areAnnotationChecker]: L200 has no Hoare annotation [2022-02-20 16:37:56,898 WARN L170 areAnnotationChecker]: L200 has no Hoare annotation [2022-02-20 16:37:56,898 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2022-02-20 16:37:56,899 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2022-02-20 16:37:56,899 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2022-02-20 16:37:56,899 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2022-02-20 16:37:56,899 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2022-02-20 16:37:56,903 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2022-02-20 16:37:56,904 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:37:56,904 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2022-02-20 16:37:56,904 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2022-02-20 16:37:56,904 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L101-2 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2022-02-20 16:37:56,905 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L38-7 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L38-7 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:37:56,906 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2022-02-20 16:37:56,907 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2022-02-20 16:37:56,907 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2022-02-20 16:37:56,907 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2022-02-20 16:37:56,907 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 16:37:56,908 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 16:37:56,908 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-02-20 16:37:56,908 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-02-20 16:37:56,908 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-02-20 16:37:56,909 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2022-02-20 16:37:56,910 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L50-4 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L55-8 has no Hoare annotation [2022-02-20 16:37:56,911 WARN L170 areAnnotationChecker]: L55-8 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2022-02-20 16:37:56,912 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L55-6 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L55-6 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L64-3 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L64-3 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2022-02-20 16:37:56,913 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L87-1 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L87-1 has no Hoare annotation [2022-02-20 16:37:56,914 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:37:56,915 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:37:56,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:37:56 BoogieIcfgContainer [2022-02-20 16:37:56,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:37:56,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:37:56,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:37:56,919 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:37:56,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:37:55" (3/4) ... [2022-02-20 16:37:56,922 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 16:37:56,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:37:56,924 INFO L158 Benchmark]: Toolchain (without parser) took 2529.10ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 47.8MB in the end (delta: 969.3kB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-02-20 16:37:56,924 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:37:56,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.52ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 48.6MB in the beginning and 60.1MB in the end (delta: -11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:37:56,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.38ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 56.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:37:56,931 INFO L158 Benchmark]: Boogie Preprocessor took 54.20ms. Allocated memory is still 90.2MB. Free memory was 56.6MB in the beginning and 54.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:37:56,933 INFO L158 Benchmark]: RCFGBuilder took 573.50ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: -49.7kB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-02-20 16:37:56,933 INFO L158 Benchmark]: TraceAbstraction took 1462.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.6MB in the beginning and 48.5MB in the end (delta: 5.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-02-20 16:37:56,933 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 109.1MB. Free memory was 48.5MB in the beginning and 47.8MB in the end (delta: 705.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:37:56,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.52ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 48.6MB in the beginning and 60.1MB in the end (delta: -11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.38ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 56.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.20ms. Allocated memory is still 90.2MB. Free memory was 56.6MB in the beginning and 54.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.50ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: -49.7kB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1462.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.6MB in the beginning and 48.5MB in the end (delta: 5.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 109.1MB. Free memory was 48.5MB in the beginning and 47.8MB in the end (delta: 705.5kB). 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: 200]: 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 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of someUnaryFLOAToperation at line 195, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = -0.0f; [L196] CALL, EXPR __ieee754_asinf(x) [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000001, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, huge_asin=1000000000000000000000000000000, hx=2147483647, ix=1065353216, ix = hx & 0x7fffffff=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000001, huge_asin=1000000000000000000000000000000, hx=2147483647, ix=1065353216, ix = hx & 0x7fffffff=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001] [L196] RET, EXPR __ieee754_asinf(x) [L196] float res = __ieee754_asinf(x); [L199] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, ix = hx & 0x7fffffff=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000002, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001] [L199] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L200] reach_error() VAL [huge_asin=1000000000000000000000000000000, ix = hx & 0x7fffffff=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000002, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 189 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=2, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-20 16:37:56,969 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 -ea -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_0270a.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 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:37:58,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:37:58,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:37:59,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:37:59,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:37:59,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:37:59,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:37:59,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:37:59,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:37:59,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:37:59,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:37:59,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:37:59,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:37:59,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:37:59,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:37:59,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:37:59,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:37:59,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:37:59,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:37:59,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:37:59,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:37:59,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:37:59,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:37:59,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:37:59,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:37:59,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:37:59,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:37:59,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:37:59,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:37:59,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:37:59,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:37:59,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:37:59,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:37:59,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:37:59,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:37:59,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:37:59,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:37:59,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:37:59,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:37:59,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:37:59,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:37:59,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:37:59,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:37:59,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:37:59,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:37:59,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:37:59,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:37:59,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:37:59,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:37:59,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:37:59,129 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:37:59,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:37:59,130 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:37:59,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:37:59,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:37:59,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:37:59,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:37:59,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:37:59,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:37:59,132 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:37:59,132 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:37:59,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:37:59,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:37:59,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:37:59,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:37:59,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:37:59,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:37:59,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:37:59,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:37:59,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:37:59,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:37:59,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:37:59,134 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:37:59,135 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:37:59,135 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:37:59,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:37:59,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:37:59,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:37:59,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 [2022-02-20 16:37:59,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:37:59,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:37:59,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:37:59,482 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:37:59,483 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:37:59,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2022-02-20 16:37:59,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272298fe3/e3090fb24e2c4e44a6cd495967d9e338/FLAG05c903f1d [2022-02-20 16:37:59,978 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:37:59,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2022-02-20 16:37:59,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272298fe3/e3090fb24e2c4e44a6cd495967d9e338/FLAG05c903f1d [2022-02-20 16:38:00,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272298fe3/e3090fb24e2c4e44a6cd495967d9e338 [2022-02-20 16:38:00,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:38:00,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:38:00,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:38:00,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:38:00,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:38:00,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481692a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00, skipping insertion in model container [2022-02-20 16:38:00,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:38:00,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:38:00,630 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_0270a.c[4702,4715] [2022-02-20 16:38:00,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:38:00,661 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:38:00,735 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_0270a.c[4702,4715] [2022-02-20 16:38:00,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:38:00,761 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:38:00,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00 WrapperNode [2022-02-20 16:38:00,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:38:00,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:38:00,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:38:00,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:38:00,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,847 INFO L137 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 257 [2022-02-20 16:38:00,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:38:00,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:38:00,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:38:00,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:38:00,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:38:00,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:38:00,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:38:00,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:38:00,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (1/1) ... [2022-02-20 16:38:00,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:38:00,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:38:00,941 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) [2022-02-20 16:38:00,967 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 [2022-02-20 16:38:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:38:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:38:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:38:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-02-20 16:38:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:38:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:38:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:38:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-02-20 16:38:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:38:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:38:01,100 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:38:01,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:38:11,662 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:38:11,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:38:11,668 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 16:38:11,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:38:11 BoogieIcfgContainer [2022-02-20 16:38:11,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:38:11,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:38:11,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:38:11,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:38:11,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:38:00" (1/3) ... [2022-02-20 16:38:11,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c06510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:38:11, skipping insertion in model container [2022-02-20 16:38:11,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:38:00" (2/3) ... [2022-02-20 16:38:11,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c06510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:38:11, skipping insertion in model container [2022-02-20 16:38:11,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:38:11" (3/3) ... [2022-02-20 16:38:11,697 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2022-02-20 16:38:11,701 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:38:11,701 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:38:11,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:38:11,784 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:38:11,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:38:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 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) [2022-02-20 16:38:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:38:11,808 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:38:11,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:38:11,810 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:38:11,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:38:11,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2022-02-20 16:38:11,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:38:11,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697153831] [2022-02-20 16:38:11,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:38:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:38:11,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:38:11,839 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) [2022-02-20 16:38:11,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:38:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:38:12,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:38:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:38:12,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:38:12,558 INFO L290 TraceCheckUtils]: 0: Hoare triple {63#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(21bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {63#true} is VALID [2022-02-20 16:38:12,559 INFO L290 TraceCheckUtils]: 1: Hoare triple {63#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_#t~short17#1, main_~x~0#1, main_~res~0#1;main_~x~0#1 := ~fp.neg~FLOAT(~Pluszero~FLOAT());assume { :begin_inline___ieee754_asinf } true;__ieee754_asinf_#in~x#1 := main_~x~0#1;havoc __ieee754_asinf_#res#1;havoc __ieee754_asinf_#t~mem10#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, __ieee754_asinf_#t~ret11#1, __ieee754_asinf_#t~ret12#1, __ieee754_asinf_#t~mem13#1, __ieee754_asinf_~#gf_u~4#1.base, __ieee754_asinf_~#gf_u~4#1.offset, __ieee754_asinf_#t~mem14#1, __ieee754_asinf_~#sf_u~2#1.base, __ieee754_asinf_~#sf_u~2#1.offset, __ieee754_asinf_~iw~0#1, __ieee754_asinf_~x#1, __ieee754_asinf_~t~1#1, __ieee754_asinf_~w~1#1, __ieee754_asinf_~p~0#1, __ieee754_asinf_~q~1#1, __ieee754_asinf_~c~0#1, __ieee754_asinf_~r~1#1, __ieee754_asinf_~s~1#1, __ieee754_asinf_~hx~1#1, __ieee754_asinf_~ix~2#1;__ieee754_asinf_~x#1 := __ieee754_asinf_#in~x#1;havoc __ieee754_asinf_~t~1#1;havoc __ieee754_asinf_~w~1#1;havoc __ieee754_asinf_~p~0#1;havoc __ieee754_asinf_~q~1#1;havoc __ieee754_asinf_~c~0#1;havoc __ieee754_asinf_~r~1#1;havoc __ieee754_asinf_~s~1#1;havoc __ieee754_asinf_~hx~1#1;havoc __ieee754_asinf_~ix~2#1; {63#true} is VALID [2022-02-20 16:38:12,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {63#true} assume !true; {64#false} is VALID [2022-02-20 16:38:12,561 INFO L290 TraceCheckUtils]: 3: Hoare triple {64#false} __ieee754_asinf_~ix~2#1 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1#1); {64#false} is VALID [2022-02-20 16:38:12,561 INFO L290 TraceCheckUtils]: 4: Hoare triple {64#false} assume 1065353216bv32 == __ieee754_asinf_~ix~2#1;__ieee754_asinf_#res#1 := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x#1, ~pio2_hi_asin~0), ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x#1, ~pio2_lo_asin~0)); {64#false} is VALID [2022-02-20 16:38:12,561 INFO L290 TraceCheckUtils]: 5: Hoare triple {64#false} main_#t~ret15#1 := __ieee754_asinf_#res#1;assume { :end_inline___ieee754_asinf } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;main_#t~short17#1 := ~fp.eq~FLOAT(main_~res~0#1, ~fp.neg~FLOAT(~Pluszero~FLOAT())); {64#false} is VALID [2022-02-20 16:38:12,562 INFO L290 TraceCheckUtils]: 6: Hoare triple {64#false} assume !main_#t~short17#1; {64#false} is VALID [2022-02-20 16:38:12,563 INFO L290 TraceCheckUtils]: 7: Hoare triple {64#false} assume !main_#t~short17#1;havoc main_#t~ret16#1;havoc main_#t~short17#1; {64#false} is VALID [2022-02-20 16:38:12,564 INFO L290 TraceCheckUtils]: 8: Hoare triple {64#false} assume !false; {64#false} is VALID [2022-02-20 16:38:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:38:12,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:38:12,566 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:38:12,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697153831] [2022-02-20 16:38:12,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697153831] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:38:12,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:38:12,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:38:12,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647006935] [2022-02-20 16:38:12,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:38:12,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-02-20 16:38:12,577 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:38:12,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:38:12,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:38:12,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:38:12,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:38:12,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:38:12,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:38:12,713 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:38:24,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:38:24,766 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2022-02-20 16:38:24,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:38:24,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-02-20 16:38:24,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:38:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:38:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 192 transitions. [2022-02-20 16:38:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:38:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 192 transitions. [2022-02-20 16:38:24,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 192 transitions. [2022-02-20 16:38:29,294 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:38:29,302 INFO L225 Difference]: With dead ends: 118 [2022-02-20 16:38:29,302 INFO L226 Difference]: Without dead ends: 57 [2022-02-20 16:38:29,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:38:29,312 INFO L933 BasicCegarLoop]: 78 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, 78 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 [2022-02-20 16:38:29,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:38:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-02-20 16:38:29,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-02-20 16:38:29,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:38:29,339 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 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) [2022-02-20 16:38:29,340 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 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) [2022-02-20 16:38:29,340 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 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) [2022-02-20 16:38:29,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:38:29,344 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2022-02-20 16:38:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2022-02-20 16:38:29,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:38:29,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:38:29,346 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 57 states. [2022-02-20 16:38:29,347 INFO L87 Difference]: Start difference. First operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 57 states. [2022-02-20 16:38:29,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:38:29,350 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2022-02-20 16:38:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2022-02-20 16:38:29,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:38:29,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:38:29,351 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:38:29,351 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:38:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 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) [2022-02-20 16:38:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2022-02-20 16:38:29,355 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2022-02-20 16:38:29,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:38:29,356 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2022-02-20 16:38:29,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-02-20 16:38:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2022-02-20 16:38:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 16:38:29,357 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:38:29,357 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:38:29,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:38:29,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:38:29,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:38:29,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:38:29,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2022-02-20 16:38:29,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:38:29,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403173894] [2022-02-20 16:38:29,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:38:29,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:38:29,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:38:29,575 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) [2022-02-20 16:38:29,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:38:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:38:30,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 16:38:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:38:30,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:38:30,603 INFO L290 TraceCheckUtils]: 0: Hoare triple {418#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(21bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~one_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~huge_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~pio2_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 1.5707963705062866);~pio2_lo_asin~0 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 4.3711390001862426E-8));~pio4_hi_asin~0 := ~to_fp~FLOAT(currentRoundingMode, 0.7853981852531433);~pS0_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~pS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.32556581497)));~pS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20121252537));~pS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.040055535734)));~pS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9153501429E-4));~pS5_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.4793309169E-5));~qS1_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.4033949375)));~qS2_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0209457874));~qS3_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.68828397989)));~qS4_asin~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.077038154006)); {418#true} is VALID [2022-02-20 16:38:30,604 INFO L290 TraceCheckUtils]: 1: Hoare triple {418#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_#t~short17#1, main_~x~0#1, main_~res~0#1;main_~x~0#1 := ~fp.neg~FLOAT(~Pluszero~FLOAT());assume { :begin_inline___ieee754_asinf } true;__ieee754_asinf_#in~x#1 := main_~x~0#1;havoc __ieee754_asinf_#res#1;havoc __ieee754_asinf_#t~mem10#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, __ieee754_asinf_#t~ret11#1, __ieee754_asinf_#t~ret12#1, __ieee754_asinf_#t~mem13#1, __ieee754_asinf_~#gf_u~4#1.base, __ieee754_asinf_~#gf_u~4#1.offset, __ieee754_asinf_#t~mem14#1, __ieee754_asinf_~#sf_u~2#1.base, __ieee754_asinf_~#sf_u~2#1.offset, __ieee754_asinf_~iw~0#1, __ieee754_asinf_~x#1, __ieee754_asinf_~t~1#1, __ieee754_asinf_~w~1#1, __ieee754_asinf_~p~0#1, __ieee754_asinf_~q~1#1, __ieee754_asinf_~c~0#1, __ieee754_asinf_~r~1#1, __ieee754_asinf_~s~1#1, __ieee754_asinf_~hx~1#1, __ieee754_asinf_~ix~2#1;__ieee754_asinf_~x#1 := __ieee754_asinf_#in~x#1;havoc __ieee754_asinf_~t~1#1;havoc __ieee754_asinf_~w~1#1;havoc __ieee754_asinf_~p~0#1;havoc __ieee754_asinf_~q~1#1;havoc __ieee754_asinf_~c~0#1;havoc __ieee754_asinf_~r~1#1;havoc __ieee754_asinf_~s~1#1;havoc __ieee754_asinf_~hx~1#1;havoc __ieee754_asinf_~ix~2#1; {426#(= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.neg (_ +zero 8 24)))} is VALID [2022-02-20 16:38:30,606 INFO L290 TraceCheckUtils]: 2: Hoare triple {426#(= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.neg (_ +zero 8 24)))} call __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_asinf_~x#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, 4bv32);call __ieee754_asinf_#t~mem10#1 := read~intINTTYPE4(__ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, 4bv32);__ieee754_asinf_~hx~1#1 := __ieee754_asinf_#t~mem10#1;havoc __ieee754_asinf_#t~mem10#1;call ULTIMATE.dealloc(__ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset);havoc __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset; {430#(= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.neg (_ +zero 8 24)))} is VALID [2022-02-20 16:38:30,606 INFO L290 TraceCheckUtils]: 3: Hoare triple {430#(= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.neg (_ +zero 8 24)))} goto; {430#(= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.neg (_ +zero 8 24)))} is VALID [2022-02-20 16:38:30,609 INFO L290 TraceCheckUtils]: 4: Hoare triple {430#(= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.neg (_ +zero 8 24)))} __ieee754_asinf_~ix~2#1 := ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1#1); {437#(exists ((|ULTIMATE.start___ieee754_asinf_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_asinf_~ix~2#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.neg (_ +zero 8 24)))))} is VALID [2022-02-20 16:38:30,677 INFO L290 TraceCheckUtils]: 5: Hoare triple {437#(exists ((|ULTIMATE.start___ieee754_asinf_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_asinf_~ix~2#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.neg (_ +zero 8 24)))))} assume 1065353216bv32 == __ieee754_asinf_~ix~2#1;__ieee754_asinf_#res#1 := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x#1, ~pio2_hi_asin~0), ~fp.mul~FLOAT(currentRoundingMode, __ieee754_asinf_~x#1, ~pio2_lo_asin~0)); {419#false} is VALID [2022-02-20 16:38:30,677 INFO L290 TraceCheckUtils]: 6: Hoare triple {419#false} main_#t~ret15#1 := __ieee754_asinf_#res#1;assume { :end_inline___ieee754_asinf } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;main_#t~short17#1 := ~fp.eq~FLOAT(main_~res~0#1, ~fp.neg~FLOAT(~Pluszero~FLOAT())); {419#false} is VALID [2022-02-20 16:38:30,677 INFO L290 TraceCheckUtils]: 7: Hoare triple {419#false} assume !main_#t~short17#1; {419#false} is VALID [2022-02-20 16:38:30,677 INFO L290 TraceCheckUtils]: 8: Hoare triple {419#false} assume !main_#t~short17#1;havoc main_#t~ret16#1;havoc main_#t~short17#1; {419#false} is VALID [2022-02-20 16:38:30,677 INFO L290 TraceCheckUtils]: 9: Hoare triple {419#false} assume !false; {419#false} is VALID [2022-02-20 16:38:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:38:30,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:38:30,678 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:38:30,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403173894] [2022-02-20 16:38:30,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403173894] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:38:30,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:38:30,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:38:30,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069642026] [2022-02-20 16:38:30,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:38:30,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 [2022-02-20 16:38:30,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:38:30,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2022-02-20 16:38:30,778 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:38:30,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:38:30,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:38:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:38:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:38:30,780 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2022-02-20 16:38:39,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-20 16:39:08,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:39:08,998 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2022-02-20 16:39:08,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 16:39:08,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 [2022-02-20 16:39:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:39:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2022-02-20 16:39:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2022-02-20 16:39:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2022-02-20 16:39:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2022-02-20 16:39:09,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 84 transitions.