/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 EqDomain -i ../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 16:43:27,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 16:43:27,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 16:43:27,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 16:43:27,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 16:43:27,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 16:43:27,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 16:43:27,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 16:43:27,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 16:43:27,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 16:43:27,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 16:43:27,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 16:43:27,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 16:43:27,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 16:43:27,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 16:43:27,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 16:43:27,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 16:43:27,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 16:43:27,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 16:43:27,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 16:43:27,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 16:43:27,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 16:43:27,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 16:43:27,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 16:43:27,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 16:43:27,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 16:43:27,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 16:43:27,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 16:43:27,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 16:43:27,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 16:43:27,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 16:43:27,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 16:43:27,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 16:43:27,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 16:43:27,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 16:43:27,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 16:43:27,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 16:43:27,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 16:43:27,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 16:43:27,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 16:43:27,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 16:43:27,623 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 16:43:27,654 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 16:43:27,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 16:43:27,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 16:43:27,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 16:43:27,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 16:43:27,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 16:43:27,656 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 16:43:27,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 16:43:27,656 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 16:43:27,656 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 16:43:27,657 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 16:43:27,657 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 16:43:27,657 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 16:43:27,657 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 16:43:27,657 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 16:43:27,658 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 16:43:27,658 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 16:43:27,658 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 16:43:27,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 16:43:27,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 16:43:27,660 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 16:43:27,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 16:43:27,660 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 16:43:27,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 16:43:27,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 16:43:27,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 16:43:27,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 16:43:27,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 16:43:27,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 16:43:27,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-31 16:43:27,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 16:43:27,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 16:43:27,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 16:43:27,906 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 16:43:27,906 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 16:43:27,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2023-03-31 16:43:29,053 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 16:43:29,271 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 16:43:29,272 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2023-03-31 16:43:29,287 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4bd8eca0/21c8386a1cc04e24b95cee74a3ea2aa8/FLAGb51806499 [2023-03-31 16:43:29,299 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4bd8eca0/21c8386a1cc04e24b95cee74a3ea2aa8 [2023-03-31 16:43:29,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 16:43:29,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 16:43:29,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 16:43:29,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 16:43:29,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 16:43:29,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18049b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29, skipping insertion in model container [2023-03-31 16:43:29,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 16:43:29,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 16:43:29,513 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_0683a.c[7147,7160] [2023-03-31 16:43:29,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 16:43:29,534 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 16:43:29,598 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_0683a.c[7147,7160] [2023-03-31 16:43:29,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 16:43:29,623 INFO L208 MainTranslator]: Completed translation [2023-03-31 16:43:29,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29 WrapperNode [2023-03-31 16:43:29,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 16:43:29,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 16:43:29,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 16:43:29,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 16:43:29,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 16:43:29,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 16:43:29,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 16:43:29,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 16:43:29,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:43:29" (1/1) ... [2023-03-31 16:43:29,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 16:43:29,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 16:43:29,766 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 16:43:29,789 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 16:43:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 16:43:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 16:43:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 16:43:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-03-31 16:43:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-03-31 16:43:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2023-03-31 16:43:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2023-03-31 16:43:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2023-03-31 16:43:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2023-03-31 16:43:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 16:43:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 16:43:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 16:43:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 16:43:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 16:43:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2023-03-31 16:43:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2023-03-31 16:43:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2023-03-31 16:43:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 16:43:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 16:43:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 16:43:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 16:43:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 16:43:29,954 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 16:43:29,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 16:43:30,565 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 16:43:30,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 16:43:30,769 INFO L302 CfgBuilder]: Removed 22 assume(true) statements. [2023-03-31 16:43:30,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 04:43:30 BoogieIcfgContainer [2023-03-31 16:43:30,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 16:43:30,774 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 16:43:30,775 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 16:43:30,775 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 16:43:30,776 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 04:43:30" (1/1) ... [2023-03-31 16:43:30,776 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=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 16:43:30,833 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 16:43:30,833 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 16:43:30,841 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 16:43:30,848 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 16:43:30,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 16:43:31,313 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 147 for LOIs [2023-03-31 16:43:35,778 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 16:43:35,794 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 16:43:35,794 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 16:43:35,795 INFO L158 Benchmark]: Toolchain (without parser) took 6493.62ms. Allocated memory was 317.7MB in the beginning and 458.2MB in the end (delta: 140.5MB). Free memory was 266.5MB in the beginning and 281.6MB in the end (delta: -15.1MB). Peak memory consumption was 127.0MB. Max. memory is 8.0GB. [2023-03-31 16:43:35,796 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 195.0MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 16:43:35,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.74ms. Allocated memory is still 317.7MB. Free memory was 266.5MB in the beginning and 251.1MB in the end (delta: 15.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-03-31 16:43:35,798 INFO L158 Benchmark]: Boogie Preprocessor took 68.08ms. Allocated memory is still 317.7MB. Free memory was 251.1MB in the beginning and 247.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 16:43:35,802 INFO L158 Benchmark]: RCFGBuilder took 1078.61ms. Allocated memory is still 317.7MB. Free memory was 247.6MB in the beginning and 236.5MB in the end (delta: 11.1MB). Peak memory consumption was 41.5MB. Max. memory is 8.0GB. [2023-03-31 16:43:35,803 INFO L158 Benchmark]: Sifa took 5019.58ms. Allocated memory was 317.7MB in the beginning and 458.2MB in the end (delta: 140.5MB). Free memory was 236.5MB in the beginning and 281.6MB in the end (delta: -45.1MB). Peak memory consumption was 95.9MB. Max. memory is 8.0GB. [2023-03-31 16:43:35,808 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 195.0MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.74ms. Allocated memory is still 317.7MB. Free memory was 266.5MB in the beginning and 251.1MB in the end (delta: 15.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.08ms. Allocated memory is still 317.7MB. Free memory was 251.1MB in the beginning and 247.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1078.61ms. Allocated memory is still 317.7MB. Free memory was 247.6MB in the beginning and 236.5MB in the end (delta: 11.1MB). Peak memory consumption was 41.5MB. Max. memory is 8.0GB. * Sifa took 5019.58ms. Allocated memory was 317.7MB in the beginning and 458.2MB in the end (delta: 140.5MB). Free memory was 236.5MB in the beginning and 281.6MB in the end (delta: -45.1MB). Peak memory consumption was 95.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 4.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 49, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME: 2.0s, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 163, TOOLS_QUANTIFIERELIM_TIME: 2.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 202, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 47, DOMAIN_JOIN_TIME: 0.7s, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME: 1.1s, LOOP_SUMMARIZER_APPLICATIONS: 11, LOOP_SUMMARIZER_CACHE_MISSES: 11, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 2.8s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 2.8s, 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: 944, DAG_COMPRESSION_RETAINED_NODES: 203 - UnprovableResult [Line: 300]: 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 224#(and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (= 5 |~#atanlo_atan~0.base|) (= (select (select |old(#memory_real)| 4) 0) (/ 92729521800161218703.0 200000000000000000000.0)) (= ~huge_atan~0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (= (select |old(#valid)| 3) 1) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (= (select |old(#length)| 5) 32) (= (select |old(#valid)| 1) 1) (= (select |old(#length)| 1) 2) (= (select |old(#valid)| 0) 0) (= (/ 612323399573676603587.0 10000000000000000000000000000000000000.0) (select (select |old(#memory_real)| 5) 24)) (= ~zero_atan2~0 0.0) (= (select |old(#valid)| 5) 1) (= (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~tiny_atan2~0) (= (select |old(#valid)| 4) 1) (= (/ 333333333333329318027.0 1000000000000000000000.0) (select (select |old(#memory_real)| 6) 0)) (= (select (select |old(#memory_real)| 5) 16) (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (= 88 (select |old(#length)| 6)) (= (select (select |old(#memory_real)| 6) 48) (/ 666107313738753120669.0 10000000000000000000000.0)) (not (= |old(#valid)| |old(#length)|)) (= ~pi_o_4~0 (/ 785398163397448279.0 1000000000000000000.0)) (= (/ 491396861623664527041.0 500000000000000000000.0) (select (select |old(#memory_real)| 4) 16)) (= ~pi_lo_atan2~0 (/ 3061616997868382943.0 25000000000000000000000000000000000.0)) (= (select (select |old(#memory_real)| 6) 32) (/ 227272178335912664049.0 2500000000000000000000.0)) (= |~#atanlo_atan~0.offset| 0) (not (= |#StackHeapBarrier| 0)) (= (/ 142857142725034663711.0 1000000000000000000000.0) (select (select |old(#memory_real)| 6) 16)) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= (/ 497687799461593236017.0 10000000000000000000000.0) (select (select |old(#memory_real)| 6) 64)) (= (select (select |old(#memory_real)| 4) 24) (/ 785398163397448279.0 500000000000000000.0)) (= ~pi_o_2~0 (/ 785398163397448279.0 500000000000000000.0)) (= 22 (select |old(#length)| 2)) (= 6 |~#aT_atan~0.base|) (= (/ 785398163397448278999.0 1000000000000000000000.0) (select (select |old(#memory_real)| 4) 8)) (= (select |old(#valid)| 6) 1) (= (/ 306161699786838301793.0 10000000000000000000000000000000000000.0) (select (select |old(#memory_real)| 5) 8)) (not (= (select |old(#memory_real)| 5) (select |old(#memory_real)| 4))) (= ~one_atan~0 1.0) (= (/ 162858201153657823623.0 10000000000000000000000.0) (select (select |old(#memory_real)| 6) 80)) (= (select (select |old(#memory_real)| 5) 0) (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)) (= |#NULL.offset| 0) (= ~pi~0 (/ 785398163397448279.0 250000000000000000.0)) (= (select (select |old(#memory_int)| 1) 1) 0) (= (select |old(#length)| 4) 32) (= |~#aT_atan~0.offset| 0) (= (select |old(#valid)| 2) 1) (= |~#atanhi_atan~0.base| 4) (= |#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 [2023-03-31 16:43:35,833 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...