/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/double_req_bl_0970a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 05:58:22,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 05:58:22,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 05:58:22,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 05:58:22,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 05:58:22,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 05:58:22,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 05:58:22,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 05:58:22,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 05:58:22,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 05:58:22,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 05:58:22,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 05:58:22,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 05:58:22,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 05:58:22,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 05:58:22,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 05:58:22,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 05:58:22,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 05:58:22,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 05:58:22,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 05:58:22,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 05:58:22,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 05:58:22,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 05:58:22,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 05:58:22,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 05:58:22,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 05:58:22,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 05:58:22,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 05:58:22,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 05:58:22,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 05:58:22,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 05:58:22,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 05:58:22,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 05:58:22,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 05:58:22,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 05:58:22,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 05:58:22,580 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 05:58:22,609 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 05:58:22,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 05:58:22,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 05:58:22,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 05:58:22,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 05:58:22,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 05:58:22,612 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 05:58:22,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 05:58:22,612 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 05:58:22,612 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 05:58:22,613 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 05:58:22,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 05:58:22,613 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 05:58:22,613 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 05:58:22,613 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 05:58:22,614 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 05:58:22,614 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 05:58:22,614 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 05:58:22,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 05:58:22,615 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 05:58:22,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 05:58:22,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 05:58:22,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 05:58:22,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 05:58:22,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 05:58:22,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 05:58:22,616 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 05:58:22,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 05:58:22,616 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 05:58:22,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 05:58:22,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 05:58:22,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 05:58:22,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 05:58:22,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 05:58:22,617 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 05:58:22,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 05:58:22,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 05:58:22,618 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 05:58:22,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 05:58:22,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 05:58:22,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 05:58:22,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 05:58:22,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 05:58:22,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 05:58:22,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 05:58:22,901 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 05:58:22,901 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 05:58:22,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2023-03-31 05:58:24,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 05:58:24,391 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 05:58:24,391 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2023-03-31 05:58:24,400 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ff553d9/d6fc325bc2974f5dbf3824d274a0ff05/FLAG58a417d71 [2023-03-31 05:58:24,415 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ff553d9/d6fc325bc2974f5dbf3824d274a0ff05 [2023-03-31 05:58:24,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 05:58:24,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 05:58:24,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 05:58:24,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 05:58:24,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 05:58:24,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9a94eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24, skipping insertion in model container [2023-03-31 05:58:24,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 05:58:24,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 05:58:24,634 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_0970a.c[4903,4916] [2023-03-31 05:58:24,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 05:58:24,655 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 05:58:24,691 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_0970a.c[4903,4916] [2023-03-31 05:58:24,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 05:58:24,704 INFO L208 MainTranslator]: Completed translation [2023-03-31 05:58:24,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24 WrapperNode [2023-03-31 05:58:24,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 05:58:24,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 05:58:24,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 05:58:24,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 05:58:24,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 05:58:24,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 05:58:24,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 05:58:24,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 05:58:24,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:58:24" (1/1) ... [2023-03-31 05:58:24,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 05:58:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 05:58:24,798 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 05:58:24,804 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 05:58:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 05:58:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 05:58:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 05:58:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2023-03-31 05:58:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2023-03-31 05:58:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-03-31 05:58:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2023-03-31 05:58:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 05:58:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 05:58:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 05:58:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 05:58:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 05:58:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 05:58:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2023-03-31 05:58:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 05:58:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 05:58:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 05:58:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 05:58:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 05:58:24,973 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 05:58:25,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 05:58:25,394 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 05:58:25,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 05:58:25,602 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-03-31 05:58:25,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 05:58:25 BoogieIcfgContainer [2023-03-31 05:58:25,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 05:58:25,606 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 05:58:25,606 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 05:58:25,606 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 05:58:25,607 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 05:58:25" (1/1) ... [2023-03-31 05:58:25,608 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 05:58:25,639 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 05:58:25,640 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 05:58:25,646 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 05:58:25,651 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 05:58:25,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 05:58:25,930 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2023-03-31 05:58:27,408 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 05:58:27,420 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 05:58:27,420 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 05:58:27,422 INFO L158 Benchmark]: Toolchain (without parser) took 3002.51ms. Allocated memory was 269.5MB in the beginning and 335.5MB in the end (delta: 66.1MB). Free memory was 220.0MB in the beginning and 276.8MB in the end (delta: -56.8MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2023-03-31 05:58:27,422 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 05:58:27,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.98ms. Allocated memory is still 269.5MB. Free memory was 220.0MB in the beginning and 206.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-31 05:58:27,423 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 269.5MB. Free memory was 206.6MB in the beginning and 204.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 05:58:27,427 INFO L158 Benchmark]: RCFGBuilder took 854.82ms. Allocated memory is still 269.5MB. Free memory was 204.0MB in the beginning and 212.4MB in the end (delta: -8.4MB). Peak memory consumption was 29.8MB. Max. memory is 8.0GB. [2023-03-31 05:58:27,428 INFO L158 Benchmark]: Sifa took 1814.50ms. Allocated memory was 269.5MB in the beginning and 335.5MB in the end (delta: 66.1MB). Free memory was 212.4MB in the beginning and 276.8MB in the end (delta: -64.3MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB. [2023-03-31 05:58:27,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 282.98ms. Allocated memory is still 269.5MB. Free memory was 220.0MB in the beginning and 206.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 269.5MB. Free memory was 206.6MB in the beginning and 204.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 854.82ms. Allocated memory is still 269.5MB. Free memory was 204.0MB in the beginning and 212.4MB in the end (delta: -8.4MB). Peak memory consumption was 29.8MB. Max. memory is 8.0GB. * Sifa took 1814.50ms. Allocated memory was 269.5MB in the beginning and 335.5MB in the end (delta: 66.1MB). Free memory was 212.4MB in the beginning and 276.8MB in the end (delta: -64.3MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 23, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 75, TOOLS_POST_TIME: 1.2s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 83, TOOLS_QUANTIFIERELIM_TIME: 1.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 108, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 23, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME: 0.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 1.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, 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: 329, DAG_COMPRESSION_RETAINED_NODES: 113 - UnprovableResult [Line: 190]: 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 107#(and (= (/ 1479819860511658591.0 10000000000000000000.0) ~Lg7_log~0) (= ~ln2_lo_log~0 (/ 95410746463529385001.0 500000000000000000000000000000.0)) (= (/ 150514997831805885653.0 500000000000000000000.0) ~log10_2hi_log10~0) (= (/ 2857142874366239149.0 10000000000000000000.0) ~Lg3_log~0) (= ~two54_log10~0 18014398509481984.0) (= ~log10_2lo_log10~0 (/ 46177988464486634827.0 125000000000000000000000000000000.0)) (= ~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)) (= (/ 108573620475812954167.0 250000000000000000000.0) ~ivln10_log10~0) (= ~zero_log10~0 0.0) (= (/ 555554960803744599.0 2500000000000000000.0) ~Lg4_log~0) (= |#NULL.offset| 0) (= ~two54_log~0 18014398509481984.0) (= ~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 05:58:27,455 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...