/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 05:59:12,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 05:59:12,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 05:59:12,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 05:59:12,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 05:59:12,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 05:59:12,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 05:59:12,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 05:59:12,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 05:59:12,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 05:59:12,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 05:59:12,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 05:59:12,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 05:59:12,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 05:59:12,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 05:59:12,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 05:59:12,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 05:59:12,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 05:59:12,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 05:59:12,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 05:59:12,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 05:59:12,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 05:59:12,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 05:59:12,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 05:59:12,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 05:59:12,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 05:59:12,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 05:59:12,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 05:59:12,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 05:59:12,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 05:59:12,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 05:59:12,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 05:59:12,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 05:59:12,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 05:59:12,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 05:59:12,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 05:59:12,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 05:59:12,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 05:59:12,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 05:59:12,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 05:59:12,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 05:59:12,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 05:59:12,867 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 05:59:12,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 05:59:12,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 05:59:12,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 05:59:12,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 05:59:12,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 05:59:12,868 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 05:59:12,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 05:59:12,868 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 05:59:12,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 05:59:12,869 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 05:59:12,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 05:59:12,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 05:59:12,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 05:59:12,870 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 05:59:12,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 05:59:12,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 05:59:12,870 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 05:59:12,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 05:59:12,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 05:59:12,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 05:59:12,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 05:59:12,872 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 05:59:12,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 05:59:13,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 05:59:13,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 05:59:13,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 05:59:13,124 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 05:59:13,125 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 05:59:13,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-03-31 05:59:14,126 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 05:59:14,361 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 05:59:14,361 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-03-31 05:59:14,370 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426d97c00/d8b924f494d449c2851d55879a584469/FLAGd07bf6e08 [2023-03-31 05:59:14,385 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426d97c00/d8b924f494d449c2851d55879a584469 [2023-03-31 05:59:14,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 05:59:14,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 05:59:14,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 05:59:14,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 05:59:14,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 05:59:14,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a18a912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14, skipping insertion in model container [2023-03-31 05:59:14,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 05:59:14,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 05:59:14,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2023-03-31 05:59:14,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 05:59:14,623 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 05:59:14,643 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2023-03-31 05:59:14,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 05:59:14,657 INFO L208 MainTranslator]: Completed translation [2023-03-31 05:59:14,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14 WrapperNode [2023-03-31 05:59:14,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 05:59:14,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 05:59:14,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 05:59:14,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 05:59:14,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 05:59:14,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 05:59:14,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 05:59:14,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 05:59:14,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:59:14" (1/1) ... [2023-03-31 05:59:14,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 05:59:14,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 05:59:14,731 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) [2023-03-31 05:59:14,746 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 [2023-03-31 05:59:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 05:59:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 05:59:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 05:59:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-03-31 05:59:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-31 05:59:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-03-31 05:59:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 05:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 05:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 05:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 05:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 05:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-31 05:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 05:59:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 05:59:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 05:59:14,829 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 05:59:14,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 05:59:15,072 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 05:59:15,117 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 05:59:15,117 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-31 05:59:15,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 05:59:15 BoogieIcfgContainer [2023-03-31 05:59:15,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 05:59:15,120 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 05:59:15,120 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 05:59:15,120 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 05:59:15,121 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 05:59:15" (1/1) ... [2023-03-31 05:59:15,122 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 05:59:15,138 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 05:59:15,139 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 05:59:15,142 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 05:59:15,147 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 05:59:15,147 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 05:59:15,479 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 140 for LOIs [2023-03-31 05:59:16,074 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 05:59:16,090 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 05:59:16,090 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 05:59:16,091 INFO L158 Benchmark]: Toolchain (without parser) took 1702.91ms. Allocated memory was 312.5MB in the beginning and 379.6MB in the end (delta: 67.1MB). Free memory was 269.1MB in the beginning and 175.3MB in the end (delta: 93.7MB). Peak memory consumption was 162.9MB. Max. memory is 8.0GB. [2023-03-31 05:59:16,092 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 05:59:16,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.77ms. Allocated memory is still 312.5MB. Free memory was 268.5MB in the beginning and 256.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-31 05:59:16,093 INFO L158 Benchmark]: Boogie Preprocessor took 41.26ms. Allocated memory is still 312.5MB. Free memory was 256.5MB in the beginning and 254.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 05:59:16,096 INFO L158 Benchmark]: RCFGBuilder took 419.34ms. Allocated memory is still 312.5MB. Free memory was 254.4MB in the beginning and 233.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-03-31 05:59:16,096 INFO L158 Benchmark]: Sifa took 969.88ms. Allocated memory was 312.5MB in the beginning and 379.6MB in the end (delta: 67.1MB). Free memory was 233.9MB in the beginning and 175.3MB in the end (delta: 58.6MB). Peak memory consumption was 127.3MB. Max. memory is 8.0GB. [2023-03-31 05:59:16,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 268.77ms. Allocated memory is still 312.5MB. Free memory was 268.5MB in the beginning and 256.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.26ms. Allocated memory is still 312.5MB. Free memory was 256.5MB in the beginning and 254.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 419.34ms. Allocated memory is still 312.5MB. Free memory was 254.4MB in the beginning and 233.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Sifa took 969.88ms. Allocated memory was 312.5MB in the beginning and 379.6MB in the end (delta: 67.1MB). Free memory was 233.9MB in the beginning and 175.3MB in the end (delta: 58.6MB). Peak memory consumption was 127.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 0.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.3s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.3s, 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: 151, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 134]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 59#(and (= (select (select |old(#memory_real)| 5) 0) (/ 1253039561.0 250000000000000000.0)) (= 5 |~#atanlo_atan~0.base|) (= (select (select |old(#memory_real)| 5) 12) (/ 75497894159.0 1000000000000000000.0)) (= ~huge_floor~0 1000000000000000000000000000000.0) (= (select (select |old(#memory_real)| 6) 8) (/ 3571428731.0 25000000000.0)) (= (select |old(#length)| 4) 16) (= (/ 3141592741.0 2000000000.0) ~pi_o_2~0) (= (select |old(#valid)| 3) 1) (= (/ 90908870101.0 1000000000000.0) (select (select |old(#memory_real)| 6) 16)) (= (/ 15707962513.0 10000000000.0) (select (select |old(#memory_real)| 4) 12)) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select (select |old(#memory_real)| 4) 4) (/ 15707962513.0 20000000000.0)) (= (select |old(#valid)| 0) 0) (= (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) (= (select (select |old(#memory_real)| 4) 0) (/ 46364760399.0 100000000000.0)) (= (/ 37748947079.0 1000000000000000000.0) (select (select |old(#memory_real)| 5) 4)) (= ~pi_o_4~0 (/ 3141592741.0 4000000000.0)) (= |~#atanlo_atan~0.offset| 0) (= (/ 98279368877.0 100000000000.0) (select (select |old(#memory_real)| 4) 8)) (= 44 (select |old(#length)| 6)) (= (/ 49768779427.0 1000000000000.0) (select (select |old(#memory_real)| 6) 32)) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= (select (select |old(#memory_real)| 5) 8) (/ 3447321717.0 100000000000000000.0)) (= 6 |~#aT_atan~0.base|) (= (select |old(#valid)| 6) 1) (= ~pi~0 (/ 3141592741.0 1000000000.0)) (= ~one_atan~0 1.0) (= (/ 4163170699.0 62500000000.0) (select (select |old(#memory_real)| 6) 24)) (= |#NULL.offset| 0) (= (select |old(#length)| 5) 16) (= (select (select |old(#memory_int)| 1) 1) 0) (= (select (select |old(#memory_real)| 6) 40) (/ 16285819933.0 1000000000000.0)) (= |~#aT_atan~0.offset| 0) (= (select |old(#valid)| 2) 1) (= |~#atanhi_atan~0.base| 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |~#atanhi_atan~0.offset| 0) (= (select |old(#length)| 2) 20)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 05:59:16,119 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...