/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_0260.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 15:42:58,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 15:42:58,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 15:42:58,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 15:42:58,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 15:42:58,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 15:42:58,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 15:42:58,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 15:42:58,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 15:42:58,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 15:42:58,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 15:42:58,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 15:42:58,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 15:42:58,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 15:42:58,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 15:42:58,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 15:42:58,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 15:42:58,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 15:42:58,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 15:42:58,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 15:42:58,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 15:42:58,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 15:42:58,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 15:42:58,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 15:42:58,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 15:42:58,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 15:42:58,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 15:42:58,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 15:42:58,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 15:42:58,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 15:42:58,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 15:42:58,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 15:42:58,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 15:42:58,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 15:42:58,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 15:42:58,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 15:42:58,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 15:42:58,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 15:42:58,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 15:42:58,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 15:42:58,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 15:42:58,371 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 15:42:58,403 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 15:42:58,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 15:42:58,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 15:42:58,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 15:42:58,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 15:42:58,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 15:42:58,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 15:42:58,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 15:42:58,406 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 15:42:58,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 15:42:58,407 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 15:42:58,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 15:42:58,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 15:42:58,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 15:42:58,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 15:42:58,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 15:42:58,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 15:42:58,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:42:58,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 15:42:58,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 15:42:58,410 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 15:42:58,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 15:42:58,410 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 15:42:58,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 15:42:58,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 15:42:58,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 15:42:58,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 15:42:58,655 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 15:42:58,658 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 15:42:58,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2023-03-29 15:42:59,713 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 15:42:59,877 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 15:42:59,877 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2023-03-29 15:42:59,883 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb399265/e9f6f1b5b2154b78b460a68742b287bd/FLAG8d1e93939 [2023-03-29 15:42:59,895 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb399265/e9f6f1b5b2154b78b460a68742b287bd [2023-03-29 15:42:59,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 15:42:59,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 15:42:59,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 15:42:59,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 15:42:59,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 15:42:59,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:42:59" (1/1) ... [2023-03-29 15:42:59,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6155b976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:42:59, skipping insertion in model container [2023-03-29 15:42:59,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:42:59" (1/1) ... [2023-03-29 15:42:59,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 15:42:59,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 15:43:00,132 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_0260.c[4552,4565] [2023-03-29 15:43:00,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:43:00,144 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 15:43:00,182 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_0260.c[4552,4565] [2023-03-29 15:43:00,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:43:00,198 INFO L208 MainTranslator]: Completed translation [2023-03-29 15:43:00,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00 WrapperNode [2023-03-29 15:43:00,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 15:43:00,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 15:43:00,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 15:43:00,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 15:43:00,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 15:43:00,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 15:43:00,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 15:43:00,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 15:43:00,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:43:00,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 15:43:00,270 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 15:43:00,279 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 15:43:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 15:43:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 15:43:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 15:43:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-03-29 15:43:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-03-29 15:43:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-29 15:43:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2023-03-29 15:43:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 15:43:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 15:43:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 15:43:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 15:43:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 15:43:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 15:43:00,390 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 15:43:00,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 15:43:00,717 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 15:43:00,735 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 15:43:00,735 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-03-29 15:43:00,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:43:00 BoogieIcfgContainer [2023-03-29 15:43:00,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 15:43:00,738 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 15:43:00,738 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 15:43:00,738 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 15:43:00,739 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:43:00" (1/1) ... [2023-03-29 15:43:00,739 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 15:43:00,797 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 15:43:00,798 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 15:43:00,802 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 15:43:00,807 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 15:43:00,808 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 15:43:01,182 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 80 for LOIs [2023-03-29 15:43:04,525 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-29 15:43:04,538 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-29 15:43:04,538 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-29 15:43:04,539 INFO L158 Benchmark]: Toolchain (without parser) took 4640.48ms. Allocated memory was 186.6MB in the beginning and 360.7MB in the end (delta: 174.1MB). Free memory was 145.2MB in the beginning and 148.5MB in the end (delta: -3.2MB). Peak memory consumption was 171.7MB. Max. memory is 8.0GB. [2023-03-29 15:43:04,539 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 142.1MB in the beginning and 142.1MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:43:04,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.90ms. Allocated memory is still 186.6MB. Free memory was 144.9MB in the beginning and 131.6MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-29 15:43:04,540 INFO L158 Benchmark]: Boogie Preprocessor took 38.80ms. Allocated memory is still 186.6MB. Free memory was 131.6MB in the beginning and 129.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 15:43:04,541 INFO L158 Benchmark]: RCFGBuilder took 497.80ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 108.5MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-03-29 15:43:04,541 INFO L158 Benchmark]: Sifa took 3800.46ms. Allocated memory was 186.6MB in the beginning and 360.7MB in the end (delta: 174.1MB). Free memory was 108.5MB in the beginning and 148.5MB in the end (delta: -39.9MB). Peak memory consumption was 135.0MB. Max. memory is 8.0GB. [2023-03-29 15:43:04,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 142.1MB in the beginning and 142.1MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 299.90ms. Allocated memory is still 186.6MB. Free memory was 144.9MB in the beginning and 131.6MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.80ms. Allocated memory is still 186.6MB. Free memory was 131.6MB in the beginning and 129.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 497.80ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 108.5MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Sifa took 3800.46ms. Allocated memory was 186.6MB in the beginning and 360.7MB in the end (delta: 174.1MB). Free memory was 108.5MB in the beginning and 148.5MB in the end (delta: -39.9MB). Peak memory consumption was 135.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 3.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 44, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME: 2.1s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.4s, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 147, TOOLS_QUANTIFIERELIM_TIME: 2.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 187, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 44, DOMAIN_JOIN_TIME: 0.8s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 0.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 3.2s, 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: 441, DAG_COMPRESSION_RETAINED_NODES: 165 - UnprovableResult [Line: 190]: 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 200#(and (= ~pS4_asin~0 (/ 79153501429.0 100000000000000.0)) (= (select |old(#valid)| 3) 1) (= ~pio2_hi_asin~0 (/ 13176795.0 8388608.0)) (exists ((|v_old(#memory_int)_BEFORE_CALL_4| (Array Int (Array Int Int))) (|v_old(#valid)_BEFORE_CALL_4| (Array Int Int)) (|v_old(#length)_BEFORE_CALL_4| (Array Int Int))) (and (= (select |v_old(#length)_BEFORE_CALL_4| 1) 2) (or (and (exists ((v___ieee754_asinf_~hx~1_BEFORE_RETURN_1 Int)) (= (mod v___ieee754_asinf_~hx~1_BEFORE_RETURN_1 2147483648) 1065353216)) (not (= |v_old(#valid)_BEFORE_CALL_4| |v_old(#length)_BEFORE_CALL_4|)) (not (= (select |v_old(#memory_int)_BEFORE_CALL_4| 1) |v_old(#length)_BEFORE_CALL_4|)) (not (= |v_old(#valid)_BEFORE_CALL_4| (select |v_old(#memory_int)_BEFORE_CALL_4| 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_4| |v_old(#length)_BEFORE_CALL_4|)) (not (= (select |v_old(#memory_int)_BEFORE_CALL_4| 1) |v_old(#length)_BEFORE_CALL_4|)) (not (= |v_old(#valid)_BEFORE_CALL_4| (select |v_old(#memory_int)_BEFORE_CALL_4| 1))))) (= (select |v_old(#valid)_BEFORE_CALL_4| 1) 1) (= (select |v_old(#valid)_BEFORE_CALL_4| 0) 0) (= (select (select |v_old(#memory_int)_BEFORE_CALL_4| 1) 1) 0) (= (select |v_old(#valid)_BEFORE_CALL_4| 3) 1) (= (select |v_old(#length)_BEFORE_CALL_4| 3) 12) (= (select |v_old(#length)_BEFORE_CALL_4| 2) 20) (= (select |v_old(#valid)_BEFORE_CALL_4| 2) 1) (= 48 (select (select |v_old(#memory_int)_BEFORE_CALL_4| 1) 0)))) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select |old(#valid)| 0) 0) (= (/ 20121252537.0 100000000000.0) ~pS2_asin~0) (= ~huge_asin~0 1000000000000000000000000000000.0) (= ~one_asin~0 1.0) (= ~pS5_asin~0 (/ 34793309169.0 1000000000000000.0)) (= (/ 10104728937.0 5000000000.0) ~qS2_asin~0) (or (and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (not (= |old(#valid)| |old(#length)|))) (and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (exists ((v___ieee754_asinf_~hx~1_BEFORE_RETURN_1 Int)) (= (mod v___ieee754_asinf_~hx~1_BEFORE_RETURN_1 2147483648) 1065353216)) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (not (= |old(#valid)| |old(#length)|)))) (= (/ 16666667163.0 100000000000.0) ~pS0_asin~0) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= ~one_sqrt~0 1.0) (= |#NULL.offset| 0) (= (/ 13176795.0 16777216.0) ~pio4_hi_asin~0) (= (select (select |old(#memory_int)| 1) 1) 0) (= (/ 1.0 1000000000000000000000000000000.0) ~tiny_sqrt~0) (= (select |old(#valid)| 2) 1) (= ~qS4_asin~0 (/ 38519077003.0 500000000000.0)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 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 15:43:04,569 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...