/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_0550b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:10:56,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:10:56,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:10:56,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:10:56,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:10:56,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:10:56,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:10:56,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:10:56,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:10:56,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:10:56,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:10:56,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:10:56,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:10:56,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:10:56,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:10:56,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:10:56,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:10:56,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:10:56,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:10:56,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:10:56,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:10:56,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:10:56,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:10:56,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:10:56,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 11:10:56,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 11:10:56,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 11:10:56,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 11:10:56,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 11:10:56,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 11:10:56,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:10:56,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:10:56,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:10:56,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:10:56,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:10:56,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:10:56,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:10:56,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:10:56,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:10:56,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:10:56,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:10:56,991 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 11:10:57,022 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:10:57,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:10:57,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:10:57,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:10:57,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:10:57,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:10:57,023 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:10:57,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:10:57,024 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:10:57,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:10:57,024 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:10:57,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:10:57,025 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:10:57,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:10:57,025 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:10:57,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:10:57,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:10:57,025 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:10:57,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:10:57,026 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:10:57,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:10:57,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:10:57,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:10:57,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:10:57,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:10:57,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:10:57,027 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:10:57,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:10:57,027 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:10:57,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:10:57,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:10:57,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:10:57,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:10:57,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:10:57,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:10:57,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:10:57,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:10:57,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:10:57,342 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:10:57,343 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:10:57,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0550b.c [2023-03-31 11:10:58,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:10:58,548 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:10:58,549 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0550b.c [2023-03-31 11:10:58,556 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249cadd78/a30acb622e76424f868e2957d9d3595f/FLAGda693995e [2023-03-31 11:10:58,569 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249cadd78/a30acb622e76424f868e2957d9d3595f [2023-03-31 11:10:58,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:10:58,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:10:58,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:10:58,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:10:58,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:10:58,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:58,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60130cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58, skipping insertion in model container [2023-03-31 11:10:58,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:58,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:10:58,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:10:58,848 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_0550b.c[16149,16162] [2023-03-31 11:10:58,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:10:58,868 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:10:58,957 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_0550b.c[16149,16162] [2023-03-31 11:10:58,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:10:58,979 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:10:58,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58 WrapperNode [2023-03-31 11:10:58,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:10:58,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:10:58,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:10:58,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:10:58,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:58,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:10:59,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:10:59,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:10:59,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:10:59,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:10:58" (1/1) ... [2023-03-31 11:10:59,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:10:59,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:10:59,145 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 11:10:59,160 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 11:10:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:10:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2023-03-31 11:10:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:10:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 11:10:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 11:10:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:10:59,276 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:10:59,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:10:59,972 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:11:00,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:11:00,288 INFO L302 CfgBuilder]: Removed 65 assume(true) statements. [2023-03-31 11:11:00,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:11:00 BoogieIcfgContainer [2023-03-31 11:11:00,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:11:00,292 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:11:00,292 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:11:00,292 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:11:00,293 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:11:00" (1/1) ... [2023-03-31 11:11:00,293 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 11:11:00,314 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 11:11:00,314 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:11:00,321 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 11:11:00,324 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 11:11:00,325 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 11:11:02,239 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 581 for LOIs [2023-03-31 11:11:07,742 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 11:11:07,756 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 11:11:07,756 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 11:11:07,757 INFO L158 Benchmark]: Toolchain (without parser) took 9184.87ms. Allocated memory was 271.6MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 230.3MB in the beginning and 754.3MB in the end (delta: -524.1MB). Peak memory consumption was 498.8MB. Max. memory is 8.0GB. [2023-03-31 11:11:07,757 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 164.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 11:11:07,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.65ms. Allocated memory is still 271.6MB. Free memory was 230.3MB in the beginning and 204.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-03-31 11:11:07,758 INFO L158 Benchmark]: Boogie Preprocessor took 111.31ms. Allocated memory is still 271.6MB. Free memory was 204.6MB in the beginning and 197.8MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-03-31 11:11:07,758 INFO L158 Benchmark]: RCFGBuilder took 1189.10ms. Allocated memory is still 271.6MB. Free memory was 197.2MB in the beginning and 118.4MB in the end (delta: 78.9MB). Peak memory consumption was 91.5MB. Max. memory is 8.0GB. [2023-03-31 11:11:07,759 INFO L158 Benchmark]: Sifa took 7464.16ms. Allocated memory was 271.6MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 118.4MB in the beginning and 754.3MB in the end (delta: -636.0MB). Peak memory consumption was 386.4MB. Max. memory is 8.0GB. [2023-03-31 11:11:07,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 164.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 407.65ms. Allocated memory is still 271.6MB. Free memory was 230.3MB in the beginning and 204.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.31ms. Allocated memory is still 271.6MB. Free memory was 204.6MB in the beginning and 197.8MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1189.10ms. Allocated memory is still 271.6MB. Free memory was 197.2MB in the beginning and 118.4MB in the end (delta: 78.9MB). Peak memory consumption was 91.5MB. Max. memory is 8.0GB. * Sifa took 7464.16ms. Allocated memory was 271.6MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 118.4MB in the beginning and 754.3MB in the end (delta: -636.0MB). Peak memory consumption was 386.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 7.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 95, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 395, TOOLS_POST_TIME: 3.9s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 1.5s, TOOLS_POST_RETURN_APPLICATIONS: 23, TOOLS_POST_RETURN_TIME: 1.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 431, TOOLS_QUANTIFIERELIM_TIME: 6.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 657, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 84, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 95, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 53, LOOP_SUMMARIZER_CACHE_MISSES: 53, LOOP_SUMMARIZER_OVERALL_TIME: 1.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 84, CALL_SUMMARIZER_APPLICATIONS: 23, CALL_SUMMARIZER_CACHE_MISSES: 10, CALL_SUMMARIZER_OVERALL_TIME: 3.9s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 3.9s, 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: 1874, DAG_COMPRESSION_RETAINED_NODES: 450 - UnprovableResult [Line: 649]: 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 564#(and (= (select (select |old(#memory_int)| 6) 100) 3769171) (= (select (select |old(#memory_real)| 8) 72) (/ 7817944429395570923.0 100000000000000000000000.0)) (= (/ 328200341580791294123.0 1000000000000000000000000000000000000000000.0) (select (select |old(#memory_real)| 5) 24)) (= 6258241 (select (select |old(#memory_int)| 6) 92)) (= ~invpio2_rempio~0 (/ 636619772367581382433.0 1000000000000000000000.0)) (= 12013382 (select (select |old(#memory_int)| 6) 148)) (= 1387004 (select (select |old(#memory_int)| 6) 8)) (= 1077383131 (select (select |old(#memory_int)| 7) 56)) (= 1073291771 (select (select |old(#memory_int)| 7) 0)) (= (select (select |old(#memory_int)| 6) 20) 12639074) (= (select (select |old(#memory_int)| 6) 256) 6349435) (= (select (select |old(#memory_int)| 6) 72) 10960616) (= (select (select |old(#memory_int)| 7) 28) 1076437499) (= (select |old(#length)| 4) 16) (= (select |old(#valid)| 7) 1) (= (/ 294020620410132048437.0 500000000000000000000000.0) (select (select |old(#memory_real)| 8) 56)) (= (/ 886323982359930005737.0 100000000000000000000000.0) (select (select |old(#memory_real)| 8) 32)) (= ~zero_rempio~0 0.0) (= |~#T~0.base| 8) (= 3212806 (select (select |old(#memory_int)| 6) 244)) (= |~#PIo2_krempio~0.base| 5) (= (select (select |old(#memory_int)| 6) 236) 16767104) (= (/ 847842766036889956997.0 10000000000000000000000000000000000000000000000000000.0) ~pio2_3t_rempio~0) (= (select |old(#valid)| 3) 1) (= 1078174348 (select (select |old(#memory_int)| 7) 96)) (= (select (select |old(#memory_int)| 7) 112) 1078380235) (= (select (select |old(#memory_int)| 7) 8) 1074977148) (= (select (select |old(#memory_int)| 6) 164) 13102053) (= (select (select |old(#memory_real)| 5) 40) (/ 30733327245277832233.0 25000000000000000000000000000000000000000000000000000000.0)) (= 2578385 (select (select |old(#memory_int)| 6) 12)) (= (select (select |old(#memory_int)| 6) 180) 15363067) (= (/ 34171256727058069953.0 1250000000000000000000000000000000000000000000000000000000000000.0) (select (select |old(#memory_real)| 5) 48)) (= (select (select |old(#memory_int)| 7) 32) 1076643386) (= (select (select |old(#memory_int)| 6) 112) 12450088) (= 16069853 (select (select |old(#memory_int)| 6) 16)) (= (select (select |old(#memory_int)| 6) 80) 3062596) (= ~huge_floor~0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (= (select (select |old(#memory_int)| 6) 220) 15080200) (= (select |old(#valid)| 1) 1) (= (select (select |old(#memory_int)| 7) 72) 1077794906) (= (/ 1.0 16777216.0) ~twon24_krempio~0) (= (select (select |old(#memory_int)| 6) 88) 7349940) (= (select |old(#length)| 1) 2) (= (select |old(#valid)| 0) 0) (= (select (select |old(#memory_int)| 6) 120) 9961438) (= 6832269 (select (select |old(#memory_int)| 6) 232)) (= (select (select |old(#memory_int)| 7) 36) 1076849274) (= (select (select |old(#memory_int)| 7) 104) 1078277292) (= 1077968460 (select (select |old(#memory_int)| 7) 80)) (= 3772886 (select (select |old(#memory_int)| 6) 96)) (= ~one_ktan~0 1.0) (= 7 |~#npio2_hw_rempio~0.base|) (= (select (select |old(#memory_int)| 7) 68) 1077691962) (= (select (select |old(#memory_int)| 6) 188) 9264392) (= (select (select |old(#memory_int)| 6) 200) 7056368) (= 4427841 (select (select |old(#memory_int)| 6) 28)) (= (select (select |old(#memory_int)| 6) 140) 3571407) (= (select |old(#valid)| 5) 1) (= (select (select |old(#memory_int)| 6) 184) 6271263) (= 0.0 ~zero_krempio~0) (= 12618859 (select (select |old(#memory_int)| 6) 260)) (= (select (select |old(#memory_int)| 6) 44) 2387514) (= 3 (select (select |old(#memory_int)| 4) 4)) (= (select (select |old(#memory_real)| 5) 0) (/ 157079625129699707031.0 100000000000000000000.0)) (= (select (select |old(#memory_int)| 7) 44) 1077074300) (= 1077280187 (select (select |old(#memory_int)| 7) 52)) (= (select |old(#valid)| 4) 1) (= (select (select |old(#memory_int)| 7) 64) 1077589019) (= (select (select |old(#memory_int)| 6) 216) 9527646) (= (select (select |old(#memory_int)| 6) 204) 13614112) (= (select (select |old(#memory_real)| 8) 8) (/ 133333333333201242699.0 1000000000000000000000.0)) (= 7677882 (select (select |old(#memory_int)| 6) 160)) (= 7151469 (select (select |old(#memory_int)| 6) 136)) (= 8533493 (select (select |old(#memory_int)| 6) 76)) (= |~#init_jk_krempio~0.base| 4) (= (/ 89801977689782808839.0 25000000000000000000000.0) (select (select |old(#memory_real)| 8) 40)) (= (/ 151927512662654806233.0 2500000000000000000000000000000.0) ~pio2_1t_rempio~0) (= 9132554 (select (select |old(#memory_int)| 6) 132)) (= (select (select |old(#memory_real)| 8) 96) (/ 64768262965908428221.0 2500000000000000000000000.0)) (= (select (select |old(#memory_real)| 8) 0) (/ 166666666666667045993.0 500000000000000000000.0)) (= (select |old(#valid)| 8) 1) (= |~#two_over_pi_rempio~0.offset| 0) (= (select (select |old(#memory_int)| 7) 12) 1075388923) (= (select (select |old(#memory_int)| 6) 172) 473591) (= (select |old(#length)| 5) 64) (= (select (select |old(#memory_int)| 6) 152) 4155038) (= (select (select |old(#memory_int)| 6) 240) 5075751) (= ~pio2_2_rempio~0 (/ 30385502531519829883.0 500000000000000000000000000000.0)) (= (select (select |old(#memory_real)| 5) 56) (/ 54185420969451204861.0 25000000000000000000000000000000000000000000000000000000000000000000000.0)) (= |~#T~0.offset| 0) (= (select (select |old(#memory_int)| 6) 248) 1398474) (= 16777216.0 ~two24_krempio~0) (= |~#PIo2_krempio~0.offset| 0) (= ~twom54_scalbn~0 (/ 138777878078144567553.0 2500000000000000000000000000000000000.0)) (= 1944035 (select (select |old(#memory_int)| 6) 212)) (= 1076971356 (select (select |old(#memory_int)| 7) 40)) (= |~#npio2_hw_rempio~0.offset| 0) (= (select |old(#length)| 8) 104) (= (select |old(#length)| 6) 264) (= 8675211 (select (select |old(#memory_int)| 6) 108)) (= (/ 150995788317231927067.0 2000000000000000000000000000.0) (select (select |old(#memory_real)| 5) 8)) (= (select (select |old(#memory_int)| 7) 76) 1077897850) (= 1076025724 (select (select |old(#memory_int)| 7) 20)) (= 4345298 (select (select |old(#memory_int)| 6) 48)) (= 7228996 (select (select |old(#memory_int)| 6) 4)) (= ~two54_scalbn~0 18014398509481984.0) (= 1077486075 (select (select |old(#memory_int)| 7) 60)) (= (select (select |old(#memory_int)| 7) 124) 1078534651) (= |~#init_jk_krempio~0.offset| 0) (= (/ 785398163397448278999.0 1000000000000000000000.0) ~pio4_ktan~0) (= 16666979 (select (select |old(#memory_int)| 6) 32)) (= ~one_krempio~0 1.0) (= (select (select |old(#memory_int)| 1) 0) 48) (= (select |old(#length)| 3) 12) (= |~#two_over_pi_rempio~0.base| 6) (= 1078225820 (select (select |old(#memory_int)| 7) 100)) (= 1078483179 (select (select |old(#memory_int)| 7) 120)) (= (/ 218694882948595424599.0 10000000000000000000000.0) (select (select |old(#memory_real)| 8) 24)) (= 22 (select |old(#length)| 2)) (= (select (select |old(#memory_real)| 5) 32) (/ 127065575308067607349.0 10000000000000000000000000000000000000000000000000.0)) (= 9065106 (select (select |old(#memory_int)| 6) 176)) (= (select (select |old(#memory_int)| 6) 24) 9804092) (= 366607 (select (select |old(#memory_int)| 6) 124)) (= 15675153 (select (select |old(#memory_int)| 6) 128)) (= ~pio4lo_ktan~0 (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)) (= 10680707 (select (select |old(#memory_int)| 6) 0)) (= (select |old(#valid)| 6) 1) (= (select (select |old(#memory_int)| 7) 24) 1076231611) (= 1078071404 (select (select |old(#memory_int)| 7) 88)) (= 3874808 (select (select |old(#memory_int)| 6) 116)) (= ~pio2_3_rempio~0 (/ 10111331243555832279.0 5000000000000000000000000000000000000000.0)) (= (select (select |old(#memory_int)| 7) 48) 1077177244) (= ~pio2_1_rempio~0 (/ 157079632673412561417.0 100000000000000000000.0)) (= (select (select |old(#memory_int)| 6) 144) 2607881) (= 15825725 (select (select |old(#memory_int)| 6) 168)) (= 1880361 (select (select |old(#memory_int)| 6) 68)) (= 2 (select (select |old(#memory_int)| 4) 0)) (= |#NULL.offset| 0) (= (select (select |old(#memory_int)| 6) 60) 13734428) (= (select (select |old(#memory_int)| 6) 56) 3074569) (= (/ 36405236358132256379.0 25000000000000000000000.0) (select (select |old(#memory_real)| 8) 48)) (= 4652155 (select (select |old(#memory_int)| 6) 196)) (= (/ 1.0 2.0) ~half_rempio~0) (= (select (select |old(#memory_int)| 6) 40) 12935607) (= (select (select |old(#memory_real)| 5) 16) (/ 269515126497888238277.0 50000000000000000000000000000000000.0)) (= (select (select |old(#memory_int)| 7) 116) 1078431707) (= (/ 142814498276521638061.0 2000000000000000000000000.0) (select (select |old(#memory_real)| 8) 80)) (= (select (select |old(#memory_int)| 6) 252) 7579849) (= ~huge_scalbn~0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (= (select (select |old(#memory_int)| 1) 1) 0) (= (select (select |old(#memory_int)| 7) 4) 1074340347) (= 4 (select (select |old(#memory_int)| 4) 8)) (= 16777216.0 ~two24_rempio~0) (= 6 (select (select |old(#memory_int)| 4) 12)) (= 6658437 (select (select |old(#memory_int)| 6) 224)) (= (select (select |old(#memory_int)| 6) 208) 10155062) (= (select (select |old(#memory_int)| 6) 52) 14681673) (= 1075800698 (select (select |old(#memory_int)| 7) 16)) (= 6285869 (select (select |old(#memory_int)| 6) 156)) (= (/ 101113312439797531577.0 50000000000000000000000000000000000000000.0) ~pio2_2t_rempio~0) (= (select |old(#valid)| 2) 1) (= (select (select |old(#memory_int)| 7) 92) 1078122876) (= (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~tiny_scalbn~0) (= (/ 61615783704617476703.0 250000000000000000000000.0) (select (select |old(#memory_real)| 8) 64)) (= (select (select |old(#memory_int)| 6) 64) 16653803) (= (select (select |old(#memory_real)| 8) 16) (/ 539682539762260521377.0 10000000000000000000000.0)) (= (select (select |old(#memory_int)| 7) 84) 1078019932) (= (select (select |old(#memory_int)| 6) 84) 8710556) (= 6231200 (select (select |old(#memory_int)| 6) 228)) (= (select (select |old(#memory_int)| 7) 108) 1078328763) (= (select (select |old(#memory_int)| 6) 192) 5636912) (= 11263675 (select (select |old(#memory_int)| 6) 36)) (< 0 |#StackHeapBarrier|) (= (select (select |old(#memory_int)| 6) 104) 3798172) (= |#NULL.base| 0) (= 128 (select |old(#length)| 7))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 11:11:07,797 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...