/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/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:00:30,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:00:30,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:00:30,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:00:30,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:00:30,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:00:30,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:00:30,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:00:30,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:00:30,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:00:30,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:00:30,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:00:30,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:00:30,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:00:30,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:00:30,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:00:30,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:00:30,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:00:30,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:00:30,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:00:30,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:00:30,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:00:30,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:00:30,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:00:30,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 06:00:30,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 06:00:30,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 06:00:30,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 06:00:30,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 06:00:30,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 06:00:30,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:00:30,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:00:30,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:00:30,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:00:30,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:00:30,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:00:30,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:00:30,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:00:30,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:00:30,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:00:30,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:00:30,247 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 06:00:30,281 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:00:30,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:00:30,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:00:30,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:00:30,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:00:30,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:00:30,283 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:00:30,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:00:30,283 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:00:30,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:00:30,284 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:00:30,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:00:30,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:00:30,284 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:00:30,284 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:00:30,284 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:00:30,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:00:30,285 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:00:30,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:00:30,285 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:00:30,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:00:30,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:00:30,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:00:30,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:00:30,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:00:30,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:00:30,287 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:00:30,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:00:30,287 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:00:30,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:00:30,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:00:30,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:00:30,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:00:30,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:00:30,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:00:30,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:00:30,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:00:30,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:00:30,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:00:30,539 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:00:30,539 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:00:30,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2023-03-31 06:00:31,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:00:32,035 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:00:32,036 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2023-03-31 06:00:32,048 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680cd8c62/2bb5fed74bf943e9b8cdcdd1fb674665/FLAG9aec53220 [2023-03-31 06:00:32,060 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680cd8c62/2bb5fed74bf943e9b8cdcdd1fb674665 [2023-03-31 06:00:32,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:00:32,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:00:32,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:00:32,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:00:32,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:00:32,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7b6b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32, skipping insertion in model container [2023-03-31 06:00:32,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:00:32,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:00:32,383 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/heap-manipulation/dll_of_dll-2.i[22634,22647] [2023-03-31 06:00:32,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:00:32,451 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:00:32,487 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/heap-manipulation/dll_of_dll-2.i[22634,22647] [2023-03-31 06:00:32,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:00:32,527 WARN L667 CHandler]: The function insert_fnc is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 06:00:32,533 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:00:32,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32 WrapperNode [2023-03-31 06:00:32,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:00:32,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:00:32,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:00:32,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:00:32,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:00:32,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:00:32,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:00:32,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:00:32,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:00:32" (1/1) ... [2023-03-31 06:00:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:00:32,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:00:32,666 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 06:00:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:00:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:00:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-03-31 06:00:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:00:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-31 06:00:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-31 06:00:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-03-31 06:00:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2023-03-31 06:00:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2023-03-31 06:00:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2023-03-31 06:00:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2023-03-31 06:00:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2023-03-31 06:00:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2023-03-31 06:00:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2023-03-31 06:00:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2023-03-31 06:00:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2023-03-31 06:00:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2023-03-31 06:00:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2023-03-31 06:00:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2023-03-31 06:00:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2023-03-31 06:00:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2023-03-31 06:00:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2023-03-31 06:00:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 06:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 06:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 06:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 06:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 06:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 06:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 06:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 06:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 06:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-31 06:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-31 06:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 06:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 06:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 06:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 06:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 06:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 06:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 06:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 06:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 06:00:32,693 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 06:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 06:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 06:00:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 06:00:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 06:00:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 06:00:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-31 06:00:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 06:00:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 06:00:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 06:00:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 06:00:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 06:00:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 06:00:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 06:00:32,725 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 06:00:32,725 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 06:00:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 06:00:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 06:00:32,728 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 06:00:32,728 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 06:00:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 06:00:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 06:00:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 06:00:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 06:00:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 06:00:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 06:00:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 06:00:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 06:00:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 06:00:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 06:00:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2023-03-31 06:00:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:00:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:00:32,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:00:33,007 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:00:33,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:00:33,490 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:00:33,556 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:00:33,556 INFO L302 CfgBuilder]: Removed 38 assume(true) statements. [2023-03-31 06:00:33,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:00:33 BoogieIcfgContainer [2023-03-31 06:00:33,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:00:33,559 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:00:33,559 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:00:33,559 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:00:33,560 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:00:33" (1/1) ... [2023-03-31 06:00:33,560 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 06:00:33,576 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 06:00:33,576 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:00:33,580 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:96) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:83) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:80) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-03-31 06:00:33,596 INFO L158 Benchmark]: Toolchain (without parser) took 1531.27ms. Allocated memory is still 260.0MB. Free memory was 212.6MB in the beginning and 140.8MB in the end (delta: 71.8MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2023-03-31 06:00:33,596 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:00:33,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.21ms. Allocated memory is still 260.0MB. Free memory was 212.6MB in the beginning and 193.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 06:00:33,597 INFO L158 Benchmark]: Boogie Preprocessor took 91.13ms. Allocated memory is still 260.0MB. Free memory was 193.8MB in the beginning and 189.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 06:00:33,598 INFO L158 Benchmark]: RCFGBuilder took 931.51ms. Allocated memory is still 260.0MB. Free memory was 189.6MB in the beginning and 142.9MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-03-31 06:00:33,598 INFO L158 Benchmark]: Sifa took 35.65ms. Allocated memory is still 260.0MB. Free memory was 142.9MB in the beginning and 141.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 06:00:33,600 INFO L339 ainManager$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 132.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.21ms. Allocated memory is still 260.0MB. Free memory was 212.6MB in the beginning and 193.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 91.13ms. Allocated memory is still 260.0MB. Free memory was 193.8MB in the beginning and 189.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 931.51ms. Allocated memory is still 260.0MB. Free memory was 189.6MB in the beginning and 142.9MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Sifa took 35.65ms. Allocated memory is still 260.0MB. Free memory was 142.9MB in the beginning and 141.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. de.uni_freiburg.informatik.ultimate.plugins.sifa: IllegalArgumentException: Recursive programs are not supported.: de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-03-31 06:00:33,630 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...