/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 15:43:45,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 15:43:45,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 15:43:45,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 15:43:45,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 15:43:45,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 15:43:45,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 15:43:45,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 15:43:45,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 15:43:45,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 15:43:45,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 15:43:45,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 15:43:45,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 15:43:45,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 15:43:45,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 15:43:45,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 15:43:45,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 15:43:45,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 15:43:45,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 15:43:45,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 15:43:45,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 15:43:45,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 15:43:45,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 15:43:45,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 15:43:45,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 15:43:45,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 15:43:45,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 15:43:45,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 15:43:45,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 15:43:45,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 15:43:45,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 15:43:45,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 15:43:45,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 15:43:45,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 15:43:45,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 15:43:45,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 15:43:45,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 15:43:45,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 15:43:45,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 15:43:45,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 15:43:45,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 15:43:45,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-29 15:43:45,983 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 15:43:45,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 15:43:45,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 15:43:45,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 15:43:45,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 15:43:45,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 15:43:45,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 15:43:45,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 15:43:45,985 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 15:43:45,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 15:43:45,985 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 15:43:45,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 15:43:45,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 15:43:45,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 15:43:45,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 15:43:45,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:43:45,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 15:43:45,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 15:43:45,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 15:43:45,988 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 15:43:45,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 15:43:45,988 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 15:43:45,988 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 15:43:46,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 15:43:46,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 15:43:46,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 15:43:46,208 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 15:43:46,208 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 15:43:46,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-03-29 15:43:47,254 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 15:43:47,450 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 15:43:47,451 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-03-29 15:43:47,456 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f8fe4fc/6310ed44ac894170ab4a66bee198f472/FLAG3925ffa01 [2023-03-29 15:43:47,471 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f8fe4fc/6310ed44ac894170ab4a66bee198f472 [2023-03-29 15:43:47,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 15:43:47,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 15:43:47,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 15:43:47,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 15:43:47,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 15:43:47,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860ff95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47, skipping insertion in model container [2023-03-29 15:43:47,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 15:43:47,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 15:43:47,649 WARN L247 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_0610.c[3190,3203] [2023-03-29 15:43:47,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:43:47,672 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 15:43:47,708 WARN L247 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_0610.c[3190,3203] [2023-03-29 15:43:47,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:43:47,723 INFO L208 MainTranslator]: Completed translation [2023-03-29 15:43:47,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47 WrapperNode [2023-03-29 15:43:47,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 15:43:47,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 15:43:47,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 15:43:47,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 15:43:47,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 15:43:47,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 15:43:47,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 15:43:47,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 15:43:47,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:47" (1/1) ... [2023-03-29 15:43:47,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:43:47,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 15:43:47,781 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) [2023-03-29 15:43:47,798 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 [2023-03-29 15:43:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 15:43:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 15:43:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 15:43:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-03-29 15:43:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-29 15:43:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-03-29 15:43:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 15:43:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-29 15:43:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 15:43:47,902 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 15:43:47,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 15:43:48,186 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 15:43:48,198 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 15:43:48,198 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-29 15:43:48,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:43:48 BoogieIcfgContainer [2023-03-29 15:43:48,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 15:43:48,200 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 15:43:48,200 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 15:43:48,201 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 15:43:48,201 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:43:48" (1/1) ... [2023-03-29 15:43:48,202 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-29 15:43:48,243 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 15:43:48,243 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 15:43:48,247 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 15:43:48,252 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 15:43:48,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 15:43:48,588 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 140 for LOIs [2023-03-29 15:43:51,360 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-29 15:43:51,372 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-29 15:43:51,372 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-29 15:43:51,373 INFO L158 Benchmark]: Toolchain (without parser) took 3898.50ms. Allocated memory was 292.6MB in the beginning and 663.7MB in the end (delta: 371.2MB). Free memory was 250.4MB in the beginning and 377.8MB in the end (delta: -127.4MB). Peak memory consumption was 245.4MB. Max. memory is 8.0GB. [2023-03-29 15:43:51,373 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 235.9MB. Free memory is still 184.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:43:51,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.41ms. Allocated memory is still 292.6MB. Free memory was 250.4MB in the beginning and 238.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-29 15:43:51,374 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 292.6MB. Free memory was 238.1MB in the beginning and 235.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 15:43:51,374 INFO L158 Benchmark]: RCFGBuilder took 445.27ms. Allocated memory is still 292.6MB. Free memory was 235.8MB in the beginning and 220.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-03-29 15:43:51,375 INFO L158 Benchmark]: Sifa took 3171.67ms. Allocated memory was 292.6MB in the beginning and 663.7MB in the end (delta: 371.2MB). Free memory was 220.1MB in the beginning and 377.8MB in the end (delta: -157.7MB). Peak memory consumption was 214.9MB. Max. memory is 8.0GB. [2023-03-29 15:43:51,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 235.9MB. Free memory is still 184.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.41ms. Allocated memory is still 292.6MB. Free memory was 250.4MB in the beginning and 238.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 292.6MB. Free memory was 238.1MB in the beginning and 235.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 445.27ms. Allocated memory is still 292.6MB. Free memory was 235.8MB in the beginning and 220.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Sifa took 3171.67ms. Allocated memory was 292.6MB in the beginning and 663.7MB in the end (delta: 371.2MB). Free memory was 220.1MB in the beginning and 377.8MB in the end (delta: -157.7MB). Peak memory consumption was 214.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 3.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 16, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 55, TOOLS_POST_TIME: 1.8s, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 62, TOOLS_QUANTIFIERELIM_TIME: 2.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 74, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 2.3s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 196, DAG_COMPRESSION_RETAINED_NODES: 81 - UnprovableResult [Line: 134]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 80#(and (= (select (select |old(#memory_real)| 5) 0) (/ 1253039561.0 250000000000000000.0)) (= 5 |~#atanlo_atan~0.base|) (= (select (select |old(#memory_real)| 5) 12) (/ 75497894159.0 1000000000000000000.0)) (= ~huge_floor~0 1000000000000000000000000000000.0) (= (select (select |old(#memory_real)| 6) 8) (/ 3571428731.0 25000000000.0)) (= (select |old(#length)| 4) 16) (= (/ 3141592741.0 2000000000.0) ~pi_o_2~0) (= (select |old(#valid)| 3) 1) (= (/ 90908870101.0 1000000000000.0) (select (select |old(#memory_real)| 6) 16)) (= (/ 15707962513.0 10000000000.0) (select (select |old(#memory_real)| 4) 12)) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select (select |old(#memory_real)| 4) 4) (/ 15707962513.0 20000000000.0)) (= (select |old(#valid)| 0) 0) (or (and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (not (= |old(#valid)| |old(#length)|)) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 4))) (exists ((v_atan_float_~hx~0_BEFORE_RETURN_1 Int)) (not (= (mod v_atan_float_~hx~0_BEFORE_RETURN_1 2147483648) 2139095040))) (not (= (select |old(#memory_real)| 4) (select |old(#memory_real)| 6))) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 6)))) (and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (not (= |old(#valid)| |old(#length)|)) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 4))) (not (= (select |old(#memory_real)| 4) (select |old(#memory_real)| 6))) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 6))))) (= (select |old(#valid)| 5) 1) (= (select (select |old(#memory_real)| 6) 0) (/ 33333334327.0 100000000000.0)) (= ~huge_atan~0 1000000000000000000000000000000.0) (= (select |old(#valid)| 4) 1) (exists ((|v_old(#length)_BEFORE_CALL_3| (Array Int Int)) (|v_old(#memory_real)_BEFORE_CALL_3| (Array Int (Array Int Real))) (|v_old(#valid)_BEFORE_CALL_3| (Array Int Int)) (|v_old(#memory_int)_BEFORE_CALL_3| (Array Int (Array Int Int)))) (and (= (/ 49768779427.0 1000000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 6) 32)) (= (select (select |v_old(#memory_int)_BEFORE_CALL_3| 1) 0) 48) (= (select (select |v_old(#memory_real)_BEFORE_CALL_3| 6) 16) (/ 90908870101.0 1000000000000.0)) (= (select (select |v_old(#memory_int)_BEFORE_CALL_3| 1) 1) 0) (= (select |v_old(#valid)_BEFORE_CALL_3| 0) 0) (= (select |v_old(#length)_BEFORE_CALL_3| 2) 20) (= (select |v_old(#valid)_BEFORE_CALL_3| 5) 1) (= (select |v_old(#valid)_BEFORE_CALL_3| 4) 1) (= (select |v_old(#length)_BEFORE_CALL_3| 4) 16) (= (/ 37748947079.0 1000000000000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 5) 4)) (= 2 (select |v_old(#length)_BEFORE_CALL_3| 1)) (= (select |v_old(#length)_BEFORE_CALL_3| 3) 12) (= (/ 3571428731.0 25000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 6) 8)) (= (/ 4163170699.0 62500000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 6) 24)) (= (/ 15707962513.0 20000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 4) 4)) (= (/ 16285819933.0 1000000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 6) 40)) (= (select (select |v_old(#memory_real)_BEFORE_CALL_3| 5) 8) (/ 3447321717.0 100000000000000000.0)) (= (/ 98279368877.0 100000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 4) 8)) (= (select |v_old(#valid)_BEFORE_CALL_3| 2) 1) (= (select |v_old(#valid)_BEFORE_CALL_3| 6) 1) (= (/ 33333334327.0 100000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 6) 0)) (= (/ 75497894159.0 1000000000000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 5) 12)) (= (select |v_old(#valid)_BEFORE_CALL_3| 1) 1) (or (and (not (= |v_old(#valid)_BEFORE_CALL_3| |v_old(#length)_BEFORE_CALL_3|)) (not (= (select |v_old(#memory_real)_BEFORE_CALL_3| 4) (select |v_old(#memory_real)_BEFORE_CALL_3| 6))) (not (= |v_old(#length)_BEFORE_CALL_3| (select |v_old(#memory_int)_BEFORE_CALL_3| 1))) (not (= (select |v_old(#memory_real)_BEFORE_CALL_3| 5) (select |v_old(#memory_real)_BEFORE_CALL_3| 6))) (not (= |v_old(#valid)_BEFORE_CALL_3| (select |v_old(#memory_int)_BEFORE_CALL_3| 1))) (not (= (select |v_old(#memory_real)_BEFORE_CALL_3| 4) (select |v_old(#memory_real)_BEFORE_CALL_3| 5)))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| |v_old(#length)_BEFORE_CALL_3|)) (not (= (select |v_old(#memory_real)_BEFORE_CALL_3| 4) (select |v_old(#memory_real)_BEFORE_CALL_3| 6))) (not (= |v_old(#length)_BEFORE_CALL_3| (select |v_old(#memory_int)_BEFORE_CALL_3| 1))) (not (= (select |v_old(#memory_real)_BEFORE_CALL_3| 5) (select |v_old(#memory_real)_BEFORE_CALL_3| 6))) (not (= |v_old(#valid)_BEFORE_CALL_3| (select |v_old(#memory_int)_BEFORE_CALL_3| 1))) (not (= (select |v_old(#memory_real)_BEFORE_CALL_3| 4) (select |v_old(#memory_real)_BEFORE_CALL_3| 5))) (exists ((v_atan_float_~hx~0_BEFORE_RETURN_1 Int)) (not (= (mod v_atan_float_~hx~0_BEFORE_RETURN_1 2147483648) 2139095040))))) (= 44 (select |v_old(#length)_BEFORE_CALL_3| 6)) (= 16 (select |v_old(#length)_BEFORE_CALL_3| 5)) (= (/ 1253039561.0 250000000000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 5) 0)) (= (select (select |v_old(#memory_real)_BEFORE_CALL_3| 4) 0) (/ 46364760399.0 100000000000.0)) (= (select |v_old(#valid)_BEFORE_CALL_3| 3) 1) (= (/ 15707962513.0 10000000000.0) (select (select |v_old(#memory_real)_BEFORE_CALL_3| 4) 12)))) (= (select (select |old(#memory_real)| 4) 0) (/ 46364760399.0 100000000000.0)) (= (/ 37748947079.0 1000000000000000000.0) (select (select |old(#memory_real)| 5) 4)) (= ~pi_o_4~0 (/ 3141592741.0 4000000000.0)) (= |~#atanlo_atan~0.offset| 0) (= (/ 98279368877.0 100000000000.0) (select (select |old(#memory_real)| 4) 8)) (= 44 (select |old(#length)| 6)) (= (/ 49768779427.0 1000000000000.0) (select (select |old(#memory_real)| 6) 32)) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= (select (select |old(#memory_real)| 5) 8) (/ 3447321717.0 100000000000000000.0)) (= 6 |~#aT_atan~0.base|) (= (select |old(#valid)| 6) 1) (= ~pi~0 (/ 3141592741.0 1000000000.0)) (= ~one_atan~0 1.0) (= (/ 4163170699.0 62500000000.0) (select (select |old(#memory_real)| 6) 24)) (= |#NULL.offset| 0) (= (select |old(#length)| 5) 16) (= (select (select |old(#memory_int)| 1) 1) 0) (= (select (select |old(#memory_real)| 6) 40) (/ 16285819933.0 1000000000000.0)) (= |~#aT_atan~0.offset| 0) (= (select |old(#valid)| 2) 1) (= |~#atanhi_atan~0.base| 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |~#atanhi_atan~0.offset| 0) (= (select |old(#length)| 2) 20)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-29 15:43:51,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...