/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/heap-data/packet_filter.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 14:18:19,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 14:18:19,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 14:18:19,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 14:18:19,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 14:18:19,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 14:18:19,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 14:18:19,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 14:18:19,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 14:18:19,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 14:18:19,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 14:18:19,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 14:18:19,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 14:18:19,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 14:18:19,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 14:18:19,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 14:18:19,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 14:18:19,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 14:18:19,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 14:18:19,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 14:18:19,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 14:18:19,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 14:18:19,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 14:18:19,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 14:18:19,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 14:18:19,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 14:18:19,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 14:18:19,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 14:18:19,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 14:18:19,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 14:18:19,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 14:18:19,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 14:18:19,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 14:18:19,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 14:18:19,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 14:18:19,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 14:18:19,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 14:18:19,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 14:18:19,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 14:18:19,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 14:18:19,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 14:18:19,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-22 14:18:19,755 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 14:18:19,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 14:18:19,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 14:18:19,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 14:18:19,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 14:18:19,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 14:18:19,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 14:18:19,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 14:18:19,758 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 14:18:19,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 14:18:19,758 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 14:18:19,759 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 14:18:19,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 14:18:19,760 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 14:18:19,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 14:18:19,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 14:18:19,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 14:18:19,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 14:18:19,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 14:18:19,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 14:18:19,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 14:18:19,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 14:18:19,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 14:18:19,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 14:18:19,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 14:18:19,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 14:18:19,762 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 14:18:19,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 14:18:19,762 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 14:18:19,762 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-22 14:18:19,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 14:18:20,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 14:18:20,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 14:18:20,018 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 14:18:20,018 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 14:18:20,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-data/packet_filter.i [2023-03-22 14:18:21,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 14:18:21,403 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 14:18:21,403 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-data/packet_filter.i [2023-03-22 14:18:21,415 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9f98aaa/0cc6b2f8e2e5478fa94de645343a4e8d/FLAG1035b0e50 [2023-03-22 14:18:21,428 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9f98aaa/0cc6b2f8e2e5478fa94de645343a4e8d [2023-03-22 14:18:21,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 14:18:21,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 14:18:21,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 14:18:21,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 14:18:21,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 14:18:21,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffc8af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21, skipping insertion in model container [2023-03-22 14:18:21,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 14:18:21,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 14:18:21,669 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-data/packet_filter.i[23925,23938] [2023-03-22 14:18:21,682 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-data/packet_filter.i[24159,24172] [2023-03-22 14:18:21,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 14:18:21,706 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 14:18:21,762 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-data/packet_filter.i[23925,23938] [2023-03-22 14:18:21,763 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-data/packet_filter.i[24159,24172] [2023-03-22 14:18:21,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 14:18:21,798 WARN L667 CHandler]: The function __VERIFIER_nondet_charp is called, but not defined or handled by StandardFunctionHandler. [2023-03-22 14:18:21,804 INFO L208 MainTranslator]: Completed translation [2023-03-22 14:18:21,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21 WrapperNode [2023-03-22 14:18:21,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 14:18:21,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 14:18:21,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 14:18:21,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 14:18:21,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 14:18:21,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 14:18:21,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 14:18:21,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 14:18:21,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:18:21" (1/1) ... [2023-03-22 14:18:21,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 14:18:21,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 14:18:21,940 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) [2023-03-22 14:18:21,944 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 [2023-03-22 14:18:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 14:18:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-22 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-22 14:18:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure receive [2023-03-22 14:18:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2023-03-22 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2023-03-22 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prio_queue [2023-03-22 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure process_normal_queue [2023-03-22 14:18:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 14:18:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_charp [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-22 14:18:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-22 14:18:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-22 14:18:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-22 14:18:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-22 14:18:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-22 14:18:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-22 14:18:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-22 14:18:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-22 14:18:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-22 14:18:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-22 14:18:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-22 14:18:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-22 14:18:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-22 14:18:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-22 14:18:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-22 14:18:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-22 14:18:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 14:18:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-22 14:18:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-22 14:18:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-22 14:18:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-22 14:18:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-22 14:18:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-22 14:18:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-22 14:18:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-22 14:18:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-22 14:18:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-22 14:18:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-22 14:18:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-22 14:18:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-22 14:18:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-22 14:18:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-22 14:18:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-22 14:18:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-22 14:18:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-22 14:18:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-22 14:18:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-22 14:18:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-22 14:18:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-22 14:18:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-22 14:18:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-22 14:18:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-22 14:18:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-22 14:18:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-22 14:18:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-22 14:18:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-22 14:18:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-22 14:18:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-22 14:18:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-22 14:18:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-22 14:18:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-22 14:18:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure receive [2023-03-22 14:18:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-22 14:18:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 14:18:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure send [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure process_prio_queue [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure process_normal_queue [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 14:18:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 14:18:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 14:18:22,224 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 14:18:22,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 14:18:22,564 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 14:18:22,570 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 14:18:22,570 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-22 14:18:22,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 02:18:22 BoogieIcfgContainer [2023-03-22 14:18:22,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 14:18:22,572 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 14:18:22,572 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 14:18:22,572 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 14:18:22,573 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 02:18:22" (1/1) ... [2023-03-22 14:18:22,574 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-22 14:18:22,598 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2023-03-22 14:18:22,598 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 14:18:22,602 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 14:18:22,607 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 14:18:22,608 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 14:18:22,715 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 42 for LOIs [2023-03-22 14:18:28,954 INFO L197 IcfgInterpreter]: Interpreting procedure process_normal_queue with input of size 40 for LOIs [2023-03-22 14:18:29,152 INFO L197 IcfgInterpreter]: Interpreting procedure process_prio_queue with input of size 40 for LOIs [2023-03-22 14:18:29,355 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 14:18:29,366 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 14:18:29,366 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 14:18:29,367 INFO L158 Benchmark]: Toolchain (without parser) took 7935.05ms. Allocated memory was 180.4MB in the beginning and 576.7MB in the end (delta: 396.4MB). Free memory was 127.9MB in the beginning and 410.7MB in the end (delta: -282.8MB). Peak memory consumption was 116.2MB. Max. memory is 8.0GB. [2023-03-22 14:18:29,367 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 14:18:29,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.33ms. Allocated memory is still 180.4MB. Free memory was 127.6MB in the beginning and 109.7MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-22 14:18:29,368 INFO L158 Benchmark]: Boogie Preprocessor took 83.13ms. Allocated memory is still 180.4MB. Free memory was 109.7MB in the beginning and 106.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-22 14:18:29,369 INFO L158 Benchmark]: RCFGBuilder took 682.14ms. Allocated memory was 180.4MB in the beginning and 269.5MB in the end (delta: 89.1MB). Free memory was 106.2MB in the beginning and 223.8MB in the end (delta: -117.5MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-03-22 14:18:29,369 INFO L158 Benchmark]: Sifa took 6793.78ms. Allocated memory was 269.5MB in the beginning and 576.7MB in the end (delta: 307.2MB). Free memory was 223.8MB in the beginning and 410.7MB in the end (delta: -186.9MB). Peak memory consumption was 120.3MB. Max. memory is 8.0GB. [2023-03-22 14:18:29,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 372.33ms. Allocated memory is still 180.4MB. Free memory was 127.6MB in the beginning and 109.7MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.13ms. Allocated memory is still 180.4MB. Free memory was 109.7MB in the beginning and 106.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 682.14ms. Allocated memory was 180.4MB in the beginning and 269.5MB in the end (delta: 89.1MB). Free memory was 106.2MB in the beginning and 223.8MB in the end (delta: -117.5MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Sifa took 6793.78ms. Allocated memory was 269.5MB in the beginning and 576.7MB in the end (delta: 307.2MB). Free memory was 223.8MB in the beginning and 410.7MB in the end (delta: -186.9MB). Peak memory consumption was 120.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 6.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 34, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 141, TOOLS_POST_TIME: 2.9s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 0.4s, TOOLS_POST_RETURN_APPLICATIONS: 21, TOOLS_POST_RETURN_TIME: 1.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 186, TOOLS_QUANTIFIERELIM_TIME: 4.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 200, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 40, DOMAIN_ISSUBSETEQ_TIME: 1.6s, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME: 5.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 21, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 1.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, 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: 471, DAG_COMPRESSION_RETAINED_NODES: 154 - UnprovableResult [Line: 606]: 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 200#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|)). Possible FailurePath: - UnprovableResult [Line: 599]: 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 239#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 14:18:29,406 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...