/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 OctagonDomain -i ../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:11:29,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:11:29,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:11:29,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:11:29,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:11:29,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:11:29,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:11:29,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:11:29,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:11:29,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:11:29,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:11:29,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:11:29,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:11:29,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:11:29,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:11:29,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:11:29,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:11:29,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:11:29,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:11:29,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:11:29,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:11:29,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:11:29,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:11:29,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:11:29,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 11:11:29,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:11:29,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:11:29,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:11:29,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:11:29,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:11:29,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:11:29,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:11:29,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:11:29,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:11:29,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:11:29,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:11:29,563 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 11:11:29,585 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:11:29,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:11:29,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:11:29,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:11:29,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:11:29,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:11:29,586 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:11:29,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:11:29,586 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:11:29,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:11:29,587 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:11:29,587 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:11:29,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:11:29,588 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:11:29,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:11:29,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:11:29,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:11:29,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:11:29,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:11:29,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:11:29,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:11:29,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:11:29,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:11:29,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:11:29,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:11:29,797 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:11:29,798 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:11:29,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2023-03-31 11:11:30,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:11:30,965 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:11:30,965 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2023-03-31 11:11:30,970 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484aac758/f679e898a9c14e1e96418a8a7b02803a/FLAG04c545977 [2023-03-31 11:11:30,983 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484aac758/f679e898a9c14e1e96418a8a7b02803a [2023-03-31 11:11:30,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:11:30,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:11:30,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:11:30,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:11:30,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:11:30,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:11:30" (1/1) ... [2023-03-31 11:11:30,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f70870a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:30, skipping insertion in model container [2023-03-31 11:11:30,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:11:30" (1/1) ... [2023-03-31 11:11:30,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:11:31,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:11:31,155 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_0910b.c[3599,3612] [2023-03-31 11:11:31,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:11:31,166 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:11:31,190 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_0910b.c[3599,3612] [2023-03-31 11:11:31,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:11:31,200 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:11:31,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31 WrapperNode [2023-03-31 11:11:31,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:11:31,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:11:31,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:11:31,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:11:31,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:11:31,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:11:31,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:11:31,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:11:31,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:11:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:11:31,278 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 11:11:31,297 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 11:11:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:11:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:11:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:11:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2023-03-31 11:11:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2023-03-31 11:11:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 11:11:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:11:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:11:31,402 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:11:31,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:11:31,718 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:11:31,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:11:31,899 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-03-31 11:11:31,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:11:31 BoogieIcfgContainer [2023-03-31 11:11:31,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:11:31,902 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:11:31,902 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:11:31,902 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:11:31,902 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:11:31" (1/1) ... [2023-03-31 11:11:31,903 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ 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 11:11:31,926 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 11:11:31,927 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:11:31,931 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 11:11:31,935 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 11:11:31,935 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 11:11:32,081 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2023-03-31 11:11:32,841 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 11:11:32,851 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 11:11:32,852 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 11:11:32,853 INFO L158 Benchmark]: Toolchain (without parser) took 1866.33ms. Allocated memory was 272.6MB in the beginning and 327.2MB in the end (delta: 54.5MB). Free memory was 223.1MB in the beginning and 258.4MB in the end (delta: -35.2MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. [2023-03-31 11:11:32,853 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 11:11:32,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.30ms. Allocated memory is still 272.6MB. Free memory was 223.1MB in the beginning and 211.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-31 11:11:32,854 INFO L158 Benchmark]: Boogie Preprocessor took 41.65ms. Allocated memory is still 272.6MB. Free memory was 211.1MB in the beginning and 208.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 11:11:32,862 INFO L158 Benchmark]: RCFGBuilder took 657.40ms. Allocated memory is still 272.6MB. Free memory was 208.5MB in the beginning and 236.5MB in the end (delta: -28.1MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. [2023-03-31 11:11:32,862 INFO L158 Benchmark]: Sifa took 950.12ms. Allocated memory was 272.6MB in the beginning and 327.2MB in the end (delta: 54.5MB). Free memory was 236.5MB in the beginning and 258.4MB in the end (delta: -21.8MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2023-03-31 11:11:32,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.30ms. Allocated memory is still 272.6MB. Free memory was 223.1MB in the beginning and 211.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.65ms. Allocated memory is still 272.6MB. Free memory was 211.1MB in the beginning and 208.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 657.40ms. Allocated memory is still 272.6MB. Free memory was 208.5MB in the beginning and 236.5MB in the end (delta: -28.1MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. * Sifa took 950.12ms. Allocated memory was 272.6MB in the beginning and 327.2MB in the end (delta: 54.5MB). Free memory was 236.5MB in the beginning and 258.4MB in the end (delta: -21.8MB). Peak memory consumption was 32.3MB. 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: 12, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 62, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME: 0.6s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.6s, 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: 188, DAG_COMPRESSION_RETAINED_NODES: 68 - UnprovableResult [Line: 139]: 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 62#(and (= (/ 1479819860511658591.0 10000000000000000000.0) ~Lg7_log~0) (= ~ln2_lo_log~0 (/ 95410746463529385001.0 500000000000000000000000000000.0)) (= (select |old(#valid)| 3) 1) (= (/ 2857142874366239149.0 10000000000000000000.0) ~Lg3_log~0) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select |old(#valid)| 0) 0) (= ~Lg1_log~0 (/ 666666666666673513.0 1000000000000000000.0)) (= ~zero~0 0.0) (= (/ 69314718036912381649.0 100000000000000000000.0) ~ln2_hi_log~0) (= ~Lg6_log~0 (/ 382845942480234333.0 2500000000000000000.0)) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= 22 (select |old(#length)| 2)) (= (/ 555554960803744599.0 2500000000000000000.0) ~Lg4_log~0) (= |#NULL.offset| 0) (= (select (select |old(#memory_int)| 1) 1) 0) (= ~two54_log~0 18014398509481984.0) (= (select |old(#valid)| 2) 1) (= ~Lg5_log~0 (/ 454589304040451253.0 2500000000000000000.0)) (= (/ 999999999985235477.0 2500000000000000000.0) ~Lg2_log~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 11:11:32,881 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...