/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/double_req_bl_1072d.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 15:42:21,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 15:42:21,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 15:42:21,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 15:42:21,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 15:42:21,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 15:42:21,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 15:42:21,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 15:42:21,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 15:42:21,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 15:42:21,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 15:42:21,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 15:42:21,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 15:42:21,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 15:42:21,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 15:42:21,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 15:42:21,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 15:42:21,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 15:42:21,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 15:42:21,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 15:42:21,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 15:42:21,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 15:42:21,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 15:42:21,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 15:42:21,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 15:42:21,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 15:42:21,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 15:42:21,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 15:42:21,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 15:42:21,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 15:42:21,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 15:42:21,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 15:42:21,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 15:42:21,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 15:42:21,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 15:42:21,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 15:42:21,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 15:42:21,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 15:42:21,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 15:42:21,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 15:42:21,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 15:42:21,253 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 15:42:21,266 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 15:42:21,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 15:42:21,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 15:42:21,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 15:42:21,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 15:42:21,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 15:42:21,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 15:42:21,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 15:42:21,267 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 15:42:21,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 15:42:21,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 15:42:21,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 15:42:21,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:42:21,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 15:42:21,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 15:42:21,287 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 15:42:21,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 15:42:21,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 15:42:21,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 15:42:21,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 15:42:21,495 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 15:42:21,495 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 15:42:21,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-03-29 15:42:22,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 15:42:22,721 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 15:42:22,721 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-03-29 15:42:22,726 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7756e316/e31e419bbf814b97912b79b8b919d783/FLAGb667a9b5d [2023-03-29 15:42:22,739 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7756e316/e31e419bbf814b97912b79b8b919d783 [2023-03-29 15:42:22,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 15:42:22,743 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 15:42:22,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 15:42:22,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 15:42:22,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 15:42:22,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd959b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22, skipping insertion in model container [2023-03-29 15:42:22,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 15:42:22,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 15:42:22,898 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/double_req_bl_1072d.c[2254,2267] [2023-03-29 15:42:22,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:42:22,921 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 15:42:22,940 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/double_req_bl_1072d.c[2254,2267] [2023-03-29 15:42:22,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:42:22,950 INFO L208 MainTranslator]: Completed translation [2023-03-29 15:42:22,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22 WrapperNode [2023-03-29 15:42:22,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 15:42:22,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 15:42:22,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 15:42:22,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 15:42:22,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 15:42:22,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 15:42:22,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 15:42:22,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 15:42:22,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:22" (1/1) ... [2023-03-29 15:42:22,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:42:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 15:42:23,014 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 15:42:23,020 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 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-03-29 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2023-03-29 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2023-03-29 15:42:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 15:42:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2023-03-29 15:42:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 15:42:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 15:42:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 15:42:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 15:42:23,100 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 15:42:23,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 15:42:23,435 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 15:42:23,449 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 15:42:23,449 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-03-29 15:42:23,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:42:23 BoogieIcfgContainer [2023-03-29 15:42:23,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 15:42:23,451 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 15:42:23,451 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 15:42:23,451 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 15:42:23,452 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:42:23" (1/1) ... [2023-03-29 15:42:23,452 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 15:42:23,498 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 15:42:23,499 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 15:42:23,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 15:42:23,506 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 15:42:23,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 15:42:23,649 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 45 for LOIs [2023-03-29 15:42:25,555 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-29 15:42:25,565 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-29 15:42:25,567 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-29 15:42:25,568 INFO L158 Benchmark]: Toolchain (without parser) took 2824.11ms. Allocated memory was 333.4MB in the beginning and 442.5MB in the end (delta: 109.1MB). Free memory was 286.1MB in the beginning and 295.5MB in the end (delta: -9.4MB). Peak memory consumption was 101.0MB. Max. memory is 8.0GB. [2023-03-29 15:42:25,568 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:42:25,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.36ms. Allocated memory is still 333.4MB. Free memory was 285.9MB in the beginning and 274.6MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-29 15:42:25,569 INFO L158 Benchmark]: Boogie Preprocessor took 38.44ms. Allocated memory is still 333.4MB. Free memory was 274.6MB in the beginning and 272.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 15:42:25,572 INFO L158 Benchmark]: RCFGBuilder took 460.57ms. Allocated memory is still 333.4MB. Free memory was 272.3MB in the beginning and 252.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-03-29 15:42:25,573 INFO L158 Benchmark]: Sifa took 2115.60ms. Allocated memory was 333.4MB in the beginning and 442.5MB in the end (delta: 109.1MB). Free memory was 252.0MB in the beginning and 295.5MB in the end (delta: -43.5MB). Peak memory consumption was 66.4MB. Max. memory is 8.0GB. [2023-03-29 15:42:25,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 206.36ms. Allocated memory is still 333.4MB. Free memory was 285.9MB in the beginning and 274.6MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.44ms. Allocated memory is still 333.4MB. Free memory was 274.6MB in the beginning and 272.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 460.57ms. Allocated memory is still 333.4MB. Free memory was 272.3MB in the beginning and 252.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Sifa took 2115.60ms. Allocated memory was 333.4MB in the beginning and 442.5MB in the end (delta: 109.1MB). Free memory was 252.0MB in the beginning and 295.5MB in the end (delta: -43.5MB). Peak memory consumption was 66.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 2.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 47, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 106, TOOLS_POST_TIME: 1.2s, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 109, TOOLS_QUANTIFIERELIM_TIME: 1.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 131, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 45, 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: 5, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 0.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 1.9s, 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: 510, DAG_COMPRESSION_RETAINED_NODES: 136 - UnprovableResult [Line: 91]: 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 160#(and (= (select |old(#valid)| 3) 1) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select |old(#valid)| 0) 0) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= 22 (select |old(#length)| 2)) (exists ((v_isinf_double_~x_BEFORE_RETURN_1 Real) (|v_isinf_double_#t~nondet19_6| Int) (v_isinf_double_~hx~0_BEFORE_RETURN_1 Int)) (and (or (and (= |v_isinf_double_#t~nondet19_6| 0) (= v_isinf_double_~hx~0_BEFORE_RETURN_1 0) (= main_~res~0 v_isinf_double_~x_BEFORE_RETURN_1)) (and (not (= v_isinf_double_~hx~0_BEFORE_RETURN_1 0)) (= main_~res~0 v_isinf_double_~x_BEFORE_RETURN_1))) (= (mod (div |v_isinf_double_#t~nondet19_6| 2147483648) 4294967296) 1))) (= |#NULL.offset| 0) (= (select (select |old(#memory_int)| 1) 1) 0) (= (select |old(#valid)| 2) 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-29 15:42:25,608 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...