/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_0682b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-23 01:50:39,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 01:50:39,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 01:50:39,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 01:50:39,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 01:50:39,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 01:50:39,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 01:50:39,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 01:50:39,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 01:50:39,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 01:50:39,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 01:50:39,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 01:50:39,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 01:50:39,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 01:50:39,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 01:50:39,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 01:50:39,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 01:50:39,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 01:50:39,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 01:50:39,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 01:50:39,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 01:50:39,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 01:50:39,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 01:50:39,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 01:50:39,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 01:50:39,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 01:50:39,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 01:50:39,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 01:50:39,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 01:50:39,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 01:50:39,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 01:50:39,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 01:50:39,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 01:50:39,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 01:50:39,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 01:50:39,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 01:50:39,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 01:50:39,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 01:50:39,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 01:50:39,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 01:50:39,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 01:50:39,148 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 [2023-03-23 01:50:39,173 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 01:50:39,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 01:50:39,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 01:50:39,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 01:50:39,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 01:50:39,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 01:50:39,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 01:50:39,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 01:50:39,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 01:50:39,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 01:50:39,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 01:50:39,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 01:50:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 01:50:39,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-23 01:50:39,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 01:50:39,177 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-23 01:50:39,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-23 01:50:39,177 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-23 01:50:39,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-23 01:50:39,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 01:50:39,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 01:50:39,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 01:50:39,423 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 01:50:39,430 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 01:50:39,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-03-23 01:50:40,504 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 01:50:40,705 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 01:50:40,705 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-03-23 01:50:40,710 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6877d8d/daabc0dc367044aabbde2f5a5fd721eb/FLAG82a3da556 [2023-03-23 01:50:40,722 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6877d8d/daabc0dc367044aabbde2f5a5fd721eb [2023-03-23 01:50:40,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 01:50:40,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-23 01:50:40,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 01:50:40,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 01:50:40,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 01:50:40,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:40,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35417994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40, skipping insertion in model container [2023-03-23 01:50:40,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:40,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 01:50:40,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 01:50:40,913 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_0682b.c[5566,5579] [2023-03-23 01:50:40,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 01:50:40,924 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 01:50:40,955 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_0682b.c[5566,5579] [2023-03-23 01:50:40,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 01:50:40,976 INFO L208 MainTranslator]: Completed translation [2023-03-23 01:50:40,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40 WrapperNode [2023-03-23 01:50:40,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 01:50:40,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 01:50:40,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 01:50:40,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 01:50:40,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:40,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:40,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:40,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:41,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:41,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:41,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:41,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:41,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 01:50:41,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 01:50:41,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 01:50:41,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 01:50:41,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:50:40" (1/1) ... [2023-03-23 01:50:41,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 01:50:41,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 01:50:41,061 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) [2023-03-23 01:50:41,063 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 [2023-03-23 01:50:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2023-03-23 01:50:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-23 01:50:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-23 01:50:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-23 01:50:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-23 01:50:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2023-03-23 01:50:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-23 01:50:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-23 01:50:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 01:50:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-23 01:50:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 01:50:41,163 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 01:50:41,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 01:50:41,540 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 01:50:41,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 01:50:41,546 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-03-23 01:50:41,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 01:50:41 BoogieIcfgContainer [2023-03-23 01:50:41,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 01:50:41,548 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-23 01:50:41,548 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-23 01:50:41,548 INFO L275 PluginConnector]: Sifa initialized [2023-03-23 01:50:41,549 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 01:50:41" (1/1) ... [2023-03-23 01:50:41,549 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 [2023-03-23 01:50:41,597 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-23 01:50:41,598 INFO L166 IcfgInterpreter]: Building call graph [2023-03-23 01:50:41,601 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-23 01:50:41,606 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-23 01:50:41,606 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-23 01:50:41,980 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 144 for LOIs [2023-03-23 01:50:45,766 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-23 01:50:45,779 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-23 01:50:45,779 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-23 01:50:45,780 INFO L158 Benchmark]: Toolchain (without parser) took 5055.05ms. Allocated memory was 247.5MB in the beginning and 791.7MB in the end (delta: 544.2MB). Free memory was 197.0MB in the beginning and 412.0MB in the end (delta: -215.1MB). Peak memory consumption was 330.4MB. Max. memory is 8.0GB. [2023-03-23 01:50:45,780 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 205.5MB. Free memory was 155.5MB in the beginning and 155.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 01:50:45,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.78ms. Allocated memory is still 247.5MB. Free memory was 197.0MB in the beginning and 183.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-23 01:50:45,782 INFO L158 Benchmark]: Boogie Preprocessor took 52.92ms. Allocated memory is still 247.5MB. Free memory was 183.0MB in the beginning and 180.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 01:50:45,785 INFO L158 Benchmark]: RCFGBuilder took 516.57ms. Allocated memory is still 247.5MB. Free memory was 179.9MB in the beginning and 153.7MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-23 01:50:45,786 INFO L158 Benchmark]: Sifa took 4231.24ms. Allocated memory was 247.5MB in the beginning and 791.7MB in the end (delta: 544.2MB). Free memory was 153.7MB in the beginning and 412.0MB in the end (delta: -258.4MB). Peak memory consumption was 287.4MB. Max. memory is 8.0GB. [2023-03-23 01:50:45,790 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 205.5MB. Free memory was 155.5MB in the beginning and 155.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.78ms. Allocated memory is still 247.5MB. Free memory was 197.0MB in the beginning and 183.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.92ms. Allocated memory is still 247.5MB. Free memory was 183.0MB in the beginning and 180.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 516.57ms. Allocated memory is still 247.5MB. Free memory was 179.9MB in the beginning and 153.7MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Sifa took 4231.24ms. Allocated memory was 247.5MB in the beginning and 791.7MB in the end (delta: 544.2MB). Free memory was 153.7MB in the beginning and 412.0MB in the end (delta: -258.4MB). Peak memory consumption was 287.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 4.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 57, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 156, TOOLS_POST_TIME: 2.1s, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 166, TOOLS_QUANTIFIERELIM_TIME: 2.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 194, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 55, DOMAIN_JOIN_TIME: 1.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 57, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 0.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 3.5s, 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: 2242, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 244]: 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 230#(and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (= (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)) (= (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) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (= (/ 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) (= ~zero_atan2~0 0.0) (= (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) (not (= |old(#valid)| |old(#length)|)) (= (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)) (= (/ 1.0 1000000000000000000000000000000.0) ~tiny_atan2~0) (= 6 |~#aT_atan~0.base|) (= (select |old(#valid)| 6) 1) (= ~pi~0 (/ 3141592741.0 1000000000.0)) (exists ((v_isfinite_float_~ix~3_5 Int)) (< (mod v_isfinite_float_~ix~3_5 2147483648) 2139095040)) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 4))) (= ~one_atan~0 1.0) (= (/ 4163170699.0 62500000000.0) (select (select |old(#memory_real)| 6) 24)) (= |#NULL.offset| 0) (= 21 (select |old(#length)| 2)) (= (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) (not (= (select |old(#memory_real)| 4) (select |old(#memory_real)| 6))) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 6)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-23 01:50:45,811 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...