/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_0480.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-23 01:46:14,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 01:46:14,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 01:46:14,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 01:46:14,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 01:46:14,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 01:46:14,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 01:46:14,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 01:46:14,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 01:46:14,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 01:46:14,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 01:46:14,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 01:46:14,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 01:46:14,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 01:46:14,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 01:46:14,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 01:46:14,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 01:46:14,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 01:46:14,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 01:46:14,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 01:46:14,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 01:46:14,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 01:46:14,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 01:46:14,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 01:46:14,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 01:46:14,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 01:46:14,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 01:46:14,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 01:46:14,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 01:46:14,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 01:46:14,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 01:46:14,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 01:46:14,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 01:46:14,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 01:46:14,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 01:46:14,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 01:46:14,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 01:46:14,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 01:46:14,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 01:46:14,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 01:46:14,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 01:46:14,764 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 01:46:14,800 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 01:46:14,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 01:46:14,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 01:46:14,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 01:46:14,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 01:46:14,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 01:46:14,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 01:46:14,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 01:46:14,803 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 01:46:14,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 01:46:14,804 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 01:46:14,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 01:46:14,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 01:46:14,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 01:46:14,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 01:46:14,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 01:46:14,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 01:46:14,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 01:46:14,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 01:46:14,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 01:46:14,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 01:46:14,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 01:46:14,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 01:46:14,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-23 01:46:14,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 01:46:14,807 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-23 01:46:14,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-23 01:46:14,807 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-23 01:46:14,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-23 01:46:15,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 01:46:15,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 01:46:15,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 01:46:15,075 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 01:46:15,075 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 01:46:15,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2023-03-23 01:46:16,297 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 01:46:16,545 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 01:46:16,545 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2023-03-23 01:46:16,561 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/222fcf3f4/8dd86f0eb5b343839f11d0a59da90f55/FLAG5e3b9f6b9 [2023-03-23 01:46:16,577 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/222fcf3f4/8dd86f0eb5b343839f11d0a59da90f55 [2023-03-23 01:46:16,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 01:46:16,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-23 01:46:16,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 01:46:16,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 01:46:16,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 01:46:16,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:16,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd42308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16, skipping insertion in model container [2023-03-23 01:46:16,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:16,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 01:46:16,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 01:46:16,842 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_0480.c[5882,5895] [2023-03-23 01:46:16,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 01:46:16,855 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 01:46:16,907 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_0480.c[5882,5895] [2023-03-23 01:46:16,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 01:46:16,932 INFO L208 MainTranslator]: Completed translation [2023-03-23 01:46:16,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16 WrapperNode [2023-03-23 01:46:16,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 01:46:16,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 01:46:16,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 01:46:16,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 01:46:16,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:16,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:16,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:16,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:16,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:17,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:17,011 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:17,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:17,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 01:46:17,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 01:46:17,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 01:46:17,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 01:46:17,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:46:16" (1/1) ... [2023-03-23 01:46:17,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 01:46:17,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 01:46:17,061 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 01:46:17,089 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 01:46:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-23 01:46:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 01:46:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-23 01:46:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2023-03-23 01:46:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2023-03-23 01:46:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2023-03-23 01:46:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-23 01:46:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-23 01:46:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-23 01:46:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-23 01:46:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 01:46:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2023-03-23 01:46:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 01:46:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-23 01:46:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 01:46:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 01:46:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 01:46:17,226 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 01:46:17,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 01:46:17,836 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 01:46:17,843 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 01:46:17,843 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-03-23 01:46:17,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 01:46:17 BoogieIcfgContainer [2023-03-23 01:46:17,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 01:46:17,846 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-23 01:46:17,846 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-23 01:46:17,847 INFO L275 PluginConnector]: Sifa initialized [2023-03-23 01:46:17,847 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 01:46:17" (1/1) ... [2023-03-23 01:46:17,848 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 01:46:17,889 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-23 01:46:17,889 INFO L166 IcfgInterpreter]: Building call graph [2023-03-23 01:46:17,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-23 01:46:17,900 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-23 01:46:17,901 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-23 01:46:18,256 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 80 for LOIs [2023-03-23 01:46:25,101 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-23 01:46:25,113 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-23 01:46:25,114 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-23 01:46:25,115 INFO L158 Benchmark]: Toolchain (without parser) took 8534.08ms. Allocated memory was 253.8MB in the beginning and 310.4MB in the end (delta: 56.6MB). Free memory was 211.6MB in the beginning and 253.4MB in the end (delta: -41.8MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2023-03-23 01:46:25,115 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 01:46:25,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.50ms. Allocated memory is still 253.8MB. Free memory was 211.6MB in the beginning and 196.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-03-23 01:46:25,117 INFO L158 Benchmark]: Boogie Preprocessor took 82.03ms. Allocated memory is still 253.8MB. Free memory was 196.4MB in the beginning and 193.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 01:46:25,120 INFO L158 Benchmark]: RCFGBuilder took 828.54ms. Allocated memory is still 253.8MB. Free memory was 193.8MB in the beginning and 160.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-03-23 01:46:25,121 INFO L158 Benchmark]: Sifa took 7267.56ms. Allocated memory was 253.8MB in the beginning and 310.4MB in the end (delta: 56.6MB). Free memory was 160.2MB in the beginning and 253.4MB in the end (delta: -93.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 01:46:25,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.50ms. Allocated memory is still 253.8MB. Free memory was 211.6MB in the beginning and 196.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.03ms. Allocated memory is still 253.8MB. Free memory was 196.4MB in the beginning and 193.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 828.54ms. Allocated memory is still 253.8MB. Free memory was 193.8MB in the beginning and 160.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Sifa took 7267.56ms. Allocated memory was 253.8MB in the beginning and 310.4MB in the end (delta: 56.6MB). Free memory was 160.2MB in the beginning and 253.4MB in the end (delta: -93.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 7.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 116, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 282, TOOLS_POST_TIME: 2.4s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 290, TOOLS_QUANTIFIERELIM_TIME: 2.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 346, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 109, DOMAIN_JOIN_TIME: 1.8s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME: 2.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 116, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME: 3.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 6.7s, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 3158, DAG_COMPRESSION_RETAINED_NODES: 304 - UnprovableResult [Line: 239]: 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 412#(and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (= main_~x~0 1.0) (= (select |old(#valid)| 3) 1) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (= ~one_acos~0 1.0) (= (/ 49470937143113408261.0 62500000000000000000000.0) ~pS4_acos~0) (= ~pio2_lo_acos~0 (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select |old(#valid)| 0) 0) (= (/ 33333333333333331483.0 200000000000000000000.0) ~pS0_acos~0) (= ~qS4_acos~0 (/ 770381505559019352791.0 10000000000000000000000.0)) (not (= |old(#valid)| |old(#length)|)) (not (= |#StackHeapBarrier| 0)) (= ~pio2_hi_acos~0 (/ 785398163397448279.0 500000000000000000.0)) (= ~pS5_acos~0 (/ 34793310759602116757.0 1000000000000000000000000.0)) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= ~one_sqrt~0 1.0) (= |#NULL.offset| 0) (= 21 (select |old(#length)| 2)) (= ~pi~0 (/ 785398163397448279.0 250000000000000000.0)) (= (select (select |old(#memory_int)| 1) 1) 0) (= ~qS2_acos~0 (/ 202094576023350569471.0 100000000000000000000.0)) (= ~pS2_acos~0 (/ 201212532134862925881.0 1000000000000000000000.0)) (= (select |old(#valid)| 2) 1) (= (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~tiny_sqrt~0) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-23 01:46:25,149 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...