./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0550a.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 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:50:26,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:50:26,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:50:26,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:50:26,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:50:26,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:50:26,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:50:26,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:50:26,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:50:26,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:50:26,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:50:26,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:50:26,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:50:26,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:50:26,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:50:26,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:50:26,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:50:26,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:50:26,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:50:26,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:50:26,855 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:50:26,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:50:26,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:50:26,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:50:26,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:50:26,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:50:26,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:50:26,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:50:26,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:50:26,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:50:26,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:50:26,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:50:26,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:50:26,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:50:26,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:50:26,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:50:26,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:50:26,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:50:26,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:50:26,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:50:26,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:50:26,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:50:26,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:50:26,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:50:26,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:50:26,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:50:26,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:50:26,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:50:26,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:50:26,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:50:26,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:50:26,904 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:50:26,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:50:26,905 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:50:26,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:50:26,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:50:26,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:50:26,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:50:26,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:50:26,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:50:26,906 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:50:26,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:50:26,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:50:26,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:50:26,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:50:26,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:50:26,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:50:26,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:50:26,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:50:26,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:50:26,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:50:26,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:50:26,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:50:26,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:50:26,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:50:26,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:50:26,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 [2022-07-21 01:50:27,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:50:27,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:50:27,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:50:27,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:50:27,228 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:50:27,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2022-07-21 01:50:27,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82cb58f8/6e1291e8277746b7808c115720e0367b/FLAG9f4c9e596 [2022-07-21 01:50:27,644 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:50:27,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2022-07-21 01:50:27,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82cb58f8/6e1291e8277746b7808c115720e0367b/FLAG9f4c9e596 [2022-07-21 01:50:28,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82cb58f8/6e1291e8277746b7808c115720e0367b [2022-07-21 01:50:28,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:50:28,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:50:28,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:50:28,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:50:28,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:50:28,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5398847e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28, skipping insertion in model container [2022-07-21 01:50:28,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:50:28,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:50:28,317 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_0550a.c[15665,15678] [2022-07-21 01:50:28,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:50:28,349 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:50:28,406 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_0550a.c[15665,15678] [2022-07-21 01:50:28,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:50:28,437 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:50:28,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28 WrapperNode [2022-07-21 01:50:28,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:50:28,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:50:28,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:50:28,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:50:28,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,542 INFO L137 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1061 [2022-07-21 01:50:28,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:50:28,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:50:28,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:50:28,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:50:28,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:50:28,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:50:28,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:50:28,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:50:28,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (1/1) ... [2022-07-21 01:50:28,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:50:28,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:50:28,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:50:28,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:50:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-21 01:50:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-21 01:50:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-21 01:50:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:50:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-07-21 01:50:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-07-21 01:50:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:50:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:50:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:50:28,868 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:50:28,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:50:29,672 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:50:29,681 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:50:29,682 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-07-21 01:50:29,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:50:29 BoogieIcfgContainer [2022-07-21 01:50:29,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:50:29,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:50:29,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:50:29,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:50:29,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:50:28" (1/3) ... [2022-07-21 01:50:29,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ea0a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:50:29, skipping insertion in model container [2022-07-21 01:50:29,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:28" (2/3) ... [2022-07-21 01:50:29,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ea0a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:50:29, skipping insertion in model container [2022-07-21 01:50:29,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:50:29" (3/3) ... [2022-07-21 01:50:29,691 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a.c [2022-07-21 01:50:29,700 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:50:29,701 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:50:29,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:50:29,769 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@19c839a1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3cb91ffd [2022-07-21 01:50:29,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:50:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.6906779661016949) internal successors, (399), 237 states have internal predecessors, (399), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 01:50:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 01:50:29,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:50:29,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:50:29,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:50:29,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:50:29,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1895637611, now seen corresponding path program 1 times [2022-07-21 01:50:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:50:29,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777986353] [2022-07-21 01:50:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:50:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:50:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:50:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:50:30,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:50:30,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777986353] [2022-07-21 01:50:30,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777986353] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:50:30,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:50:30,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:50:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572331251] [2022-07-21 01:50:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:50:30,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:50:30,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:50:30,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:50:30,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:50:30,095 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.6906779661016949) internal successors, (399), 237 states have internal predecessors, (399), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:50:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:50:30,130 INFO L93 Difference]: Finished difference Result 504 states and 851 transitions. [2022-07-21 01:50:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:50:30,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-21 01:50:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:50:30,148 INFO L225 Difference]: With dead ends: 504 [2022-07-21 01:50:30,148 INFO L226 Difference]: Without dead ends: 250 [2022-07-21 01:50:30,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:50:30,160 INFO L413 NwaCegarLoop]: 351 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, 351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:50:30,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:50:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-07-21 01:50:30,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-07-21 01:50:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 01:50:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2022-07-21 01:50:30,234 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2022-07-21 01:50:30,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:50:30,235 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2022-07-21 01:50:30,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:50:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2022-07-21 01:50:30,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 01:50:30,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:50:30,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:50:30,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:50:30,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:50:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:50:30,237 INFO L85 PathProgramCache]: Analyzing trace with hash -59995475, now seen corresponding path program 1 times [2022-07-21 01:50:30,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:50:30,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778383861] [2022-07-21 01:50:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:50:30,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:50:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:50:30,395 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:50:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:50:30,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:50:30,498 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:50:30,499 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:50:30,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 01:50:30,503 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 01:50:30,506 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:50:30,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:50:30 BoogieIcfgContainer [2022-07-21 01:50:30,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:50:30,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:50:30,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:50:30,559 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:50:30,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:50:29" (3/4) ... [2022-07-21 01:50:30,562 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:50:30,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:50:30,562 INFO L158 Benchmark]: Toolchain (without parser) took 2513.54ms. Allocated memory was 56.6MB in the beginning and 107.0MB in the end (delta: 50.3MB). Free memory was 33.2MB in the beginning and 64.1MB in the end (delta: -30.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-07-21 01:50:30,563 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:50:30,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.94ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.0MB in the beginning and 47.6MB in the end (delta: -14.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-07-21 01:50:30,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.11ms. Allocated memory is still 69.2MB. Free memory was 47.6MB in the beginning and 40.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 01:50:30,564 INFO L158 Benchmark]: Boogie Preprocessor took 94.69ms. Allocated memory is still 69.2MB. Free memory was 40.1MB in the beginning and 32.9MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:50:30,564 INFO L158 Benchmark]: RCFGBuilder took 1046.40ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 32.9MB in the beginning and 69.0MB in the end (delta: -36.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-07-21 01:50:30,565 INFO L158 Benchmark]: TraceAbstraction took 872.84ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 64.1MB in the end (delta: 4.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-07-21 01:50:30,565 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 107.0MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:50:30,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.94ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.0MB in the beginning and 47.6MB in the end (delta: -14.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.11ms. Allocated memory is still 69.2MB. Free memory was 47.6MB in the beginning and 40.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.69ms. Allocated memory is still 69.2MB. Free memory was 40.1MB in the beginning and 32.9MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1046.40ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 32.9MB in the beginning and 69.0MB in the end (delta: -36.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 872.84ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 64.1MB in the end (delta: 4.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 107.0MB. Free memory is still 64.1MB. 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: 631]: 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 72, overapproximation of someUnaryDOUBLEoperation at line 512, overapproximation of bitwiseAnd at line 606, overapproximation of someBinaryArithmeticFLOAToperation at line 611. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L94-L96] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L164] static const int init_jk_krempio[] = {4, 7, 9}; [L166-L170] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L172-L174] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L349-L367] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L369-L375] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L377-L386] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L506-L514] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L626] float x = 1.0f / 0.0f; [L627] CALL, EXPR tan_float(x) [L597] float y[2], z = 0.0; [L598] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L601] ieee_float_shape_type gf_u; [L602] gf_u.value = (x) [L603] EXPR gf_u.word [L603] (ix) = gf_u.word [L606] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L607] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L610] COND TRUE !((ix) < 0x7f800000L) [L611] return x - x; [L611] return x - x; VAL [\old(x)=1000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L627] RET, EXPR tan_float(x) [L627] float res = tan_float(x); [L630] CALL, EXPR isnan_float(res) [L72] return x != x; VAL [\old(x)=1000000000000000000000000000001, \result=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L630] RET, EXPR isnan_float(res) [L630] COND TRUE !isnan_float(res) [L631] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 351 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 351 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 01:50:30,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0550a.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 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:50:32,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:50:32,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:50:32,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:50:32,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:50:32,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:50:32,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:50:32,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:50:32,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:50:32,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:50:32,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:50:32,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:50:32,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:50:32,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:50:32,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:50:32,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:50:32,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:50:32,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:50:32,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:50:32,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:50:32,346 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:50:32,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:50:32,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:50:32,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:50:32,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:50:32,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:50:32,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:50:32,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:50:32,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:50:32,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:50:32,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:50:32,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:50:32,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:50:32,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:50:32,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:50:32,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:50:32,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:50:32,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:50:32,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:50:32,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:50:32,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:50:32,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:50:32,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:50:32,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:50:32,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:50:32,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:50:32,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:50:32,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:50:32,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:50:32,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:50:32,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:50:32,398 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:50:32,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:50:32,399 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:50:32,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:50:32,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:50:32,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:50:32,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:50:32,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:50:32,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:50:32,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:50:32,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:50:32,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:50:32,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:50:32,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:50:32,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:50:32,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:50:32,402 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:50:32,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:50:32,402 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:50:32,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:50:32,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:50:32,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:50:32,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 [2022-07-21 01:50:32,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:50:32,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:50:32,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:50:32,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:50:32,702 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:50:32,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2022-07-21 01:50:32,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87a7747bf/e9cd18f8f6834dd898f4e3003dc90e6d/FLAGe578f8fc2 [2022-07-21 01:50:33,184 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:50:33,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2022-07-21 01:50:33,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87a7747bf/e9cd18f8f6834dd898f4e3003dc90e6d/FLAGe578f8fc2 [2022-07-21 01:50:33,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87a7747bf/e9cd18f8f6834dd898f4e3003dc90e6d [2022-07-21 01:50:33,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:50:33,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:50:33,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:50:33,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:50:33,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:50:33,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e355f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33, skipping insertion in model container [2022-07-21 01:50:33,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:50:33,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:50:33,522 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_0550a.c[15665,15678] [2022-07-21 01:50:33,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:50:33,565 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:50:33,650 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_0550a.c[15665,15678] [2022-07-21 01:50:33,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:50:33,692 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:50:33,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33 WrapperNode [2022-07-21 01:50:33,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:50:33,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:50:33,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:50:33,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:50:33,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,784 INFO L137 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1047 [2022-07-21 01:50:33,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:50:33,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:50:33,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:50:33,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:50:33,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:50:33,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:50:33,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:50:33,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:50:33,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (1/1) ... [2022-07-21 01:50:33,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:50:33,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:50:33,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:50:33,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:50:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:50:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:50:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 01:50:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:50:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-21 01:50:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-21 01:50:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-21 01:50:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 01:50:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-21 01:50:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-21 01:50:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-21 01:50:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-21 01:50:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-21 01:50:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-21 01:50:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-07-21 01:50:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-07-21 01:50:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:50:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:50:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 01:50:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:50:34,133 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:50:34,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:51:11,521 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:51:11,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:51:11,536 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-07-21 01:51:11,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:11 BoogieIcfgContainer [2022-07-21 01:51:11,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:51:11,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:51:11,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:51:11,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:51:11,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:50:33" (1/3) ... [2022-07-21 01:51:11,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c692916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:51:11, skipping insertion in model container [2022-07-21 01:51:11,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:33" (2/3) ... [2022-07-21 01:51:11,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c692916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:51:11, skipping insertion in model container [2022-07-21 01:51:11,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:11" (3/3) ... [2022-07-21 01:51:11,544 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a.c [2022-07-21 01:51:11,555 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:51:11,555 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:51:11,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:51:11,605 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@77f99298, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@34536c46 [2022-07-21 01:51:11,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:51:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 226 states have (on average 1.668141592920354) internal successors, (377), 227 states have internal predecessors, (377), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 01:51:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 01:51:11,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:51:11,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:51:11,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:51:11,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:51:11,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1661333739, now seen corresponding path program 1 times [2022-07-21 01:51:11,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:51:11,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633519856] [2022-07-21 01:51:11,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:51:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:51:11,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:51:11,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:51:11,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:51:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:51:12,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:51:12,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:51:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:51:12,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:51:12,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:51:12,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633519856] [2022-07-21 01:51:12,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633519856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:51:12,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:51:12,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:51:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117520270] [2022-07-21 01:51:12,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:51:12,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:51:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:51:12,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:51:12,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:51:12,992 INFO L87 Difference]: Start difference. First operand has 243 states, 226 states have (on average 1.668141592920354) internal successors, (377), 227 states have internal predecessors, (377), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:51:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:51:13,041 INFO L93 Difference]: Finished difference Result 484 states and 807 transitions. [2022-07-21 01:51:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:51:13,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-21 01:51:13,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:51:13,066 INFO L225 Difference]: With dead ends: 484 [2022-07-21 01:51:13,066 INFO L226 Difference]: Without dead ends: 240 [2022-07-21 01:51:13,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:51:13,078 INFO L413 NwaCegarLoop]: 335 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, 335 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:51:13,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:51:13,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-07-21 01:51:13,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2022-07-21 01:51:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 1.3839285714285714) internal successors, (310), 224 states have internal predecessors, (310), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 01:51:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 332 transitions. [2022-07-21 01:51:13,140 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 332 transitions. Word has length 10 [2022-07-21 01:51:13,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:51:13,141 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 332 transitions. [2022-07-21 01:51:13,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:51:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 332 transitions. [2022-07-21 01:51:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 01:51:13,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:51:13,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:51:13,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 01:51:13,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:51:13,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:51:13,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:51:13,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1284989465, now seen corresponding path program 1 times [2022-07-21 01:51:13,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:51:13,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663007840] [2022-07-21 01:51:13,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:51:13,369 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:51:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:51:13,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:51:13,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 01:51:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:51:14,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 01:51:14,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:51:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:51:15,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:51:15,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:51:15,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663007840] [2022-07-21 01:51:15,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663007840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:51:15,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:51:15,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:51:15,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135012240] [2022-07-21 01:51:15,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:51:15,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 01:51:15,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:51:15,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 01:51:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 01:51:15,448 INFO L87 Difference]: Start difference. First operand 240 states and 332 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:51:18,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:21,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:24,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:25,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:28,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:30,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:32,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:33,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:36,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:38,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:41,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:42,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:43,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:45,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:47,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:50,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:51:55,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:01,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:02,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:05,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:07,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:09,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:10,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:12,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:17,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:52:19,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:52:19,379 INFO L93 Difference]: Finished difference Result 414 states and 574 transitions. [2022-07-21 01:52:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 01:52:19,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-21 01:52:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:52:19,394 INFO L225 Difference]: With dead ends: 414 [2022-07-21 01:52:19,394 INFO L226 Difference]: Without dead ends: 409 [2022-07-21 01:52:19,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:52:19,396 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 487 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 9 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.4s IncrementalHoareTripleChecker+Time [2022-07-21 01:52:19,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1390 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 318 Invalid, 11 Unknown, 0 Unchecked, 63.4s Time] [2022-07-21 01:52:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-07-21 01:52:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 399. [2022-07-21 01:52:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 370 states have (on average 1.3945945945945946) internal successors, (516), 371 states have internal predecessors, (516), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (22), 19 states have call predecessors, (22), 20 states have call successors, (22) [2022-07-21 01:52:19,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 558 transitions. [2022-07-21 01:52:19,421 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 558 transitions. Word has length 11 [2022-07-21 01:52:19,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:52:19,421 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 558 transitions. [2022-07-21 01:52:19,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:52:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 558 transitions. [2022-07-21 01:52:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 01:52:19,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:52:19,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:52:19,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 01:52:19,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:52:19,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:52:19,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:52:19,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1198255602, now seen corresponding path program 1 times [2022-07-21 01:52:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:52:19,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917871138] [2022-07-21 01:52:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:52:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:52:19,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:52:19,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:52:19,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 01:52:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:52:22,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:52:22,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:52:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:52:22,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:52:22,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:52:22,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917871138] [2022-07-21 01:52:22,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917871138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:52:22,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:52:22,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 01:52:22,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116871608] [2022-07-21 01:52:22,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:52:22,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 01:52:22,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:52:22,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 01:52:22,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:52:22,430 INFO L87 Difference]: Start difference. First operand 399 states and 558 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:52:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:52:22,442 INFO L93 Difference]: Finished difference Result 443 states and 607 transitions. [2022-07-21 01:52:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 01:52:22,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-07-21 01:52:22,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:52:22,447 INFO L225 Difference]: With dead ends: 443 [2022-07-21 01:52:22,447 INFO L226 Difference]: Without dead ends: 397 [2022-07-21 01:52:22,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:52:22,453 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 0 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:52:22,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 967 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-07-21 01:52:22,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-07-21 01:52:22,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2022-07-21 01:52:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 369 states have (on average 1.3929539295392954) internal successors, (514), 370 states have internal predecessors, (514), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2022-07-21 01:52:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2022-07-21 01:52:22,472 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 22 [2022-07-21 01:52:22,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:52:22,472 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2022-07-21 01:52:22,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:52:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2022-07-21 01:52:22,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-21 01:52:22,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:52:22,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:52:22,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 01:52:22,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:52:22,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:52:22,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:52:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1304362496, now seen corresponding path program 1 times [2022-07-21 01:52:22,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:52:22,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194135088] [2022-07-21 01:52:22,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:52:22,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:52:22,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:52:22,678 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:52:22,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 01:52:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:52:25,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:52:25,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:52:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:52:25,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:52:25,528 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:52:25,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194135088] [2022-07-21 01:52:25,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194135088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:52:25,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:52:25,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 01:52:25,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938502728] [2022-07-21 01:52:25,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:52:25,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 01:52:25,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:52:25,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 01:52:25,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:52:25,529 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:52:25,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:52:25,533 INFO L93 Difference]: Finished difference Result 397 states and 553 transitions. [2022-07-21 01:52:25,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 01:52:25,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-07-21 01:52:25,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:52:25,533 INFO L225 Difference]: With dead ends: 397 [2022-07-21 01:52:25,533 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 01:52:25,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 01:52:25,534 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:52:25,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-21 01:52:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 01:52:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 01:52:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:52:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 01:52:25,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-07-21 01:52:25,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:52:25,536 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 01:52:25,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:52:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 01:52:25,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 01:52:25,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:52:25,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 01:52:25,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:52:25,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 01:52:26,624 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 74 92) no Hoare annotation was computed. [2022-07-21 01:52:26,624 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 85) no Hoare annotation was computed. [2022-07-21 01:52:26,624 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 74 92) no Hoare annotation was computed. [2022-07-21 01:52:26,624 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-07-21 01:52:26,624 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 74 92) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 74 92) the Hoare annotation is: true [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 74 92) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 530) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 516 594) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 523) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point L519-2(lines 519 523) the Hoare annotation is: true [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point L581-2(lines 581 585) the Hoare annotation is: true [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point L569-2(lines 569 573) the Hoare annotation is: true [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: true [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 516 594) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2022-07-21 01:52:26,625 INFO L902 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 516 594) the Hoare annotation is: true [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 564 593) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L586-2(lines 586 590) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 564 593) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 533 542) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 593) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 532) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 516 594) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 537) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L534-2(lines 534 537) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L530-2(line 530) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 531) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 149 162) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 160) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 149 162) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point L156-2(lines 156 160) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 149 162) no Hoare annotation was computed. [2022-07-21 01:52:26,626 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 149 162) the Hoare annotation is: true [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L902 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: true [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 633) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 300 301) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L895 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L334-4(lines 305 345) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L895 garLoopResultBuilder]: At program point L600-2(lines 600 604) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L600-3(lines 600 604) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L895 garLoopResultBuilder]: At program point L270(lines 177 347) the Hoare annotation is: false [2022-07-21 01:52:26,627 INFO L899 garLoopResultBuilder]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2022-07-21 01:52:26,627 INFO L895 garLoopResultBuilder]: At program point L204-3(lines 204 208) the Hoare annotation is: false [2022-07-21 01:52:26,627 INFO L895 garLoopResultBuilder]: At program point L204-4(lines 204 208) the Hoare annotation is: false [2022-07-21 01:52:26,628 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_tan_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L436-2(lines 436 468) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 225 253) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L902 garLoopResultBuilder]: At program point L635(lines 619 636) the Hoare annotation is: true [2022-07-21 01:52:26,628 INFO L895 garLoopResultBuilder]: At program point L503(lines 388 504) the Hoare annotation is: false [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 475) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L895 garLoopResultBuilder]: At program point L305(lines 305 345) the Hoare annotation is: false [2022-07-21 01:52:26,628 INFO L895 garLoopResultBuilder]: At program point L239(lines 239 246) the Hoare annotation is: false [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 429) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 428) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 309) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L895 garLoopResultBuilder]: At program point L308-3(lines 308 309) the Hoare annotation is: false [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 305 345) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-07-21 01:52:26,628 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 616) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 442 446) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L895 garLoopResultBuilder]: At program point L442-2(lines 442 446) the Hoare annotation is: false [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L442-3(lines 442 446) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L277-1(lines 277 280) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L895 garLoopResultBuilder]: At program point L277-3(lines 277 280) the Hoare annotation is: false [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: false [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L608-1(line 608) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L312(line 312) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L312-2(line 312) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 616) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2022-07-21 01:52:26,629 INFO L895 garLoopResultBuilder]: At program point L346(lines 176 347) the Hoare annotation is: false [2022-07-21 01:52:26,636 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L895 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: false [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L282-1(line 282) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L895 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L315-4(lines 305 345) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 467) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 436 468) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 290) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 251) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L895 garLoopResultBuilder]: At program point L283-2(lines 274 291) the Hoare annotation is: false [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L317-1(line 317) no Hoare annotation was computed. [2022-07-21 01:52:26,637 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: false [2022-07-21 01:52:26,637 INFO L899 garLoopResultBuilder]: For program point L251-1(line 251) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L895 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L895 garLoopResultBuilder]: At program point L615-2(lines 596 617) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_tan_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 484 488) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L895 garLoopResultBuilder]: At program point L484-2(lines 484 488) the Hoare annotation is: false [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L484-3(lines 484 488) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 223) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L895 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L319-4(lines 305 345) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L895 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 223) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L255-1(lines 177 347) no Hoare annotation was computed. [2022-07-21 01:52:26,638 INFO L899 garLoopResultBuilder]: For program point L222-2(lines 177 347) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L895 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 258) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L895 garLoopResultBuilder]: At program point L257-3(lines 257 258) the Hoare annotation is: false [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L257-4(lines 255 272) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L489-2(lines 489 492) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L895 garLoopResultBuilder]: At program point L489-3(lines 489 492) the Hoare annotation is: false [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L489-4(lines 489 492) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L324-2(lines 324 328) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L225(lines 177 347) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L895 garLoopResultBuilder]: At program point L324-3(lines 324 328) the Hoare annotation is: false [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L324-4(lines 324 328) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L192-2(lines 192 193) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L895 garLoopResultBuilder]: At program point L192-3(lines 192 193) the Hoare annotation is: false [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L192-4(lines 192 193) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2022-07-21 01:52:26,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L293(line 293) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L260-1(lines 260 261) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L260-3(lines 260 261) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L895 garLoopResultBuilder]: At program point L260-4(lines 260 261) the Hoare annotation is: false [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L260-5(lines 260 261) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L294-2(lines 294 297) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L895 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L228-2(lines 228 237) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L294-4(lines 294 297) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 199) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L895 garLoopResultBuilder]: At program point L228-3(lines 228 237) the Hoare annotation is: false [2022-07-21 01:52:26,640 INFO L895 garLoopResultBuilder]: At program point L195-3(lines 195 199) the Hoare annotation is: false [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L228-4(lines 225 253) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L195-4(lines 195 199) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 466) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L394-1(lines 394 398) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L895 garLoopResultBuilder]: At program point L394-2(lines 394 398) the Hoare annotation is: false [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L394-3(lines 394 398) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L196-2(lines 196 197) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L895 garLoopResultBuilder]: At program point L196-3(lines 196 197) the Hoare annotation is: false [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L196-4(lines 196 197) no Hoare annotation was computed. [2022-07-21 01:52:26,640 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 236) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L895 garLoopResultBuilder]: At program point L329-3(lines 329 333) the Hoare annotation is: false [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L263-2(lines 263 268) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L329-4(lines 329 333) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L895 garLoopResultBuilder]: At program point L263-3(lines 263 268) the Hoare annotation is: false [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L263-4(lines 263 268) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 631) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L495-1(lines 495 496) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L895 garLoopResultBuilder]: At program point L495-3(lines 495 496) the Hoare annotation is: false [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L495-4(lines 495 496) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 234) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 476) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L265-2(lines 265 266) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L895 garLoopResultBuilder]: At program point L265-3(lines 265 266) the Hoare annotation is: false [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L265-4(lines 265 266) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: false [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L431-1(line 431) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 303) no Hoare annotation was computed. [2022-07-21 01:52:26,641 INFO L895 garLoopResultBuilder]: At program point L299-3(lines 299 303) the Hoare annotation is: false [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L299-4(lines 299 303) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L126-1(line 126) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point L102-2(lines 102 106) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 134) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 119) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point L115-2(lines 115 119) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 119) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 112) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 98 148) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 98 148) no Hoare annotation was computed. [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 98 148) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L902 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: true [2022-07-21 01:52:26,642 INFO L899 garLoopResultBuilder]: For program point L137-1(line 137) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 123) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L113-2(lines 113 123) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 110) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 146) no Hoare annotation was computed. [2022-07-21 01:52:26,643 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 146) the Hoare annotation is: true [2022-07-21 01:52:26,643 INFO L899 garLoopResultBuilder]: For program point L142-3(lines 142 146) no Hoare annotation was computed. [2022-07-21 01:52:26,653 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-21 01:52:26,654 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:52:26,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,668 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:52:26 BoogieIcfgContainer [2022-07-21 01:52:26,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:52:26,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:52:26,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:52:26,684 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:52:26,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:11" (3/4) ... [2022-07-21 01:52:26,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 01:52:26,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-07-21 01:52:26,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-21 01:52:26,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2022-07-21 01:52:26,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2022-07-21 01:52:26,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2022-07-21 01:52:26,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-07-21 01:52:26,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-21 01:52:26,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 01:52:26,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-21 01:52:26,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2022-07-21 01:52:26,808 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:52:26,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:52:26,808 INFO L158 Benchmark]: Toolchain (without parser) took 113599.98ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 29.2MB in the end (delta: 16.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,809 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:52:26,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.80ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 46.8MB in the end (delta: -1.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.80ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 39.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,809 INFO L158 Benchmark]: Boogie Preprocessor took 83.52ms. Allocated memory is still 67.1MB. Free memory was 39.7MB in the beginning and 32.2MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,810 INFO L158 Benchmark]: RCFGBuilder took 37669.04ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 32.2MB in the beginning and 56.8MB in the end (delta: -24.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,810 INFO L158 Benchmark]: TraceAbstraction took 75143.60ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 50.1MB in the end (delta: 6.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,810 INFO L158 Benchmark]: Witness Printer took 124.70ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 29.2MB in the end (delta: 20.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-21 01:52:26,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.80ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 46.8MB in the end (delta: -1.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.80ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 39.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.52ms. Allocated memory is still 67.1MB. Free memory was 39.7MB in the beginning and 32.2MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 37669.04ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 32.2MB in the beginning and 56.8MB in the end (delta: -24.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 75143.60ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 50.1MB in the end (delta: 6.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 124.70ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 29.2MB in the end (delta: 20.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 631]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 64.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 494 SdHoareTripleChecker+Valid, 63.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 487 mSDsluCounter, 2698 SdHoareTripleChecker+Invalid, 61.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 1757 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 318 IncrementalHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 941 mSDtfsCounter, 318 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=399occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 194 PreInvPairs, 198 NumberOfFragments, 128 HoareAnnotationTreeSize, 194 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 9 QuantifiedInterpolants, 257 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1610 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant [2022-07-21 01:52:26,819 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,819 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant [2022-07-21 01:52:26,820 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,820 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,820 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,820 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant [2022-07-21 01:52:26,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,831 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-21 01:52:26,831 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-21 01:52:27,047 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-21 01:52:27,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE