/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 EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 16:28:29,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 16:28:29,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 16:28:29,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 16:28:29,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 16:28:29,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 16:28:29,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 16:28:29,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 16:28:29,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 16:28:29,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 16:28:29,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 16:28:29,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 16:28:29,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 16:28:29,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 16:28:29,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 16:28:29,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 16:28:29,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 16:28:29,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 16:28:29,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 16:28:29,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 16:28:29,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 16:28:29,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 16:28:29,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 16:28:29,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 16:28:29,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 16:28:29,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 16:28:29,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 16:28:29,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 16:28:29,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 16:28:29,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 16:28:29,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 16:28:29,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 16:28:29,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 16:28:29,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 16:28:29,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 16:28:29,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 16:28:29,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 16:28:29,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 16:28:29,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 16:28:29,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 16:28:29,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 16:28:29,547 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 [2023-03-29 16:28:29,573 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 16:28:29,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 16:28:29,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 16:28:29,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 16:28:29,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 16:28:29,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 16:28:29,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 16:28:29,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 16:28:29,576 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 16:28:29,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 16:28:29,577 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 16:28:29,578 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 16:28:29,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 16:28:29,579 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 16:28:29,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 16:28:29,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 16:28:29,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 16:28:29,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 16:28:29,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 16:28:29,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 16:28:29,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 16:28:29,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 16:28:29,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 16:28:29,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 16:28:29,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 16:28:29,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 16:28:29,581 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 16:28:29,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 16:28:29,581 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 16:28:29,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 16:28:29,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 16:28:29,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 16:28:29,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 16:28:29,842 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 16:28:29,843 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 16:28:29,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2023-03-29 16:28:30,993 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 16:28:31,161 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 16:28:31,161 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2023-03-29 16:28:31,166 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153eedc08/b66a1212dbb741a5831875107244f703/FLAGc0459f4dd [2023-03-29 16:28:31,176 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153eedc08/b66a1212dbb741a5831875107244f703 [2023-03-29 16:28:31,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 16:28:31,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 16:28:31,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 16:28:31,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 16:28:31,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 16:28:31,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf2174c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31, skipping insertion in model container [2023-03-29 16:28:31,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 16:28:31,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 16:28:31,313 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/verifythis/tree_del_rec_incorrect.c[618,631] [2023-03-29 16:28:31,325 WARN L1562 CHandler]: Possible shadowing of function min [2023-03-29 16:28:31,327 WARN L1562 CHandler]: Possible shadowing of function min [2023-03-29 16:28:31,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 16:28:31,360 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 16:28:31,372 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/verifythis/tree_del_rec_incorrect.c[618,631] [2023-03-29 16:28:31,378 WARN L1562 CHandler]: Possible shadowing of function min [2023-03-29 16:28:31,379 WARN L1562 CHandler]: Possible shadowing of function min [2023-03-29 16:28:31,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 16:28:31,403 INFO L208 MainTranslator]: Completed translation [2023-03-29 16:28:31,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31 WrapperNode [2023-03-29 16:28:31,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 16:28:31,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 16:28:31,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 16:28:31,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 16:28:31,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,455 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 16:28:31,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 16:28:31,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 16:28:31,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 16:28:31,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:28:31" (1/1) ... [2023-03-29 16:28:31,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 16:28:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 16:28:31,498 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) [2023-03-29 16:28:31,501 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 [2023-03-29 16:28:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 16:28:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2023-03-29 16:28:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2023-03-29 16:28:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2023-03-29 16:28:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 16:28:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-29 16:28:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-29 16:28:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-29 16:28:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-29 16:28:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-29 16:28:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2023-03-29 16:28:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure min [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 16:28:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure size [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure task [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 16:28:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 16:28:31,627 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 16:28:31,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 16:28:32,040 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 16:28:32,054 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 16:28:32,055 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-29 16:28:32,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 04:28:32 BoogieIcfgContainer [2023-03-29 16:28:32,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 16:28:32,057 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 16:28:32,058 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 16:28:32,058 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 16:28:32,059 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 04:28:32" (1/1) ... [2023-03-29 16:28:32,059 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=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 [2023-03-29 16:28:32,126 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 16:28:32,127 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 16:28:32,136 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-03-29 16:28:32,141 INFO L158 Benchmark]: Toolchain (without parser) took 961.04ms. Allocated memory is still 267.4MB. Free memory was 209.8MB in the beginning and 227.6MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 16:28:32,142 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 16:28:32,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.16ms. Allocated memory is still 267.4MB. Free memory was 209.7MB in the beginning and 197.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-29 16:28:32,143 INFO L158 Benchmark]: Boogie Preprocessor took 55.74ms. Allocated memory is still 267.4MB. Free memory was 197.5MB in the beginning and 195.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 16:28:32,144 INFO L158 Benchmark]: RCFGBuilder took 595.66ms. Allocated memory is still 267.4MB. Free memory was 195.4MB in the beginning and 231.3MB in the end (delta: -35.9MB). Peak memory consumption was 27.1MB. Max. memory is 8.0GB. [2023-03-29 16:28:32,145 INFO L158 Benchmark]: Sifa took 81.83ms. Allocated memory is still 267.4MB. Free memory was 231.3MB in the beginning and 227.6MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-29 16:28:32,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.16ms. Allocated memory is still 267.4MB. Free memory was 209.7MB in the beginning and 197.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.74ms. Allocated memory is still 267.4MB. Free memory was 197.5MB in the beginning and 195.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 595.66ms. Allocated memory is still 267.4MB. Free memory was 195.4MB in the beginning and 231.3MB in the end (delta: -35.9MB). Peak memory consumption was 27.1MB. Max. memory is 8.0GB. * Sifa took 81.83ms. Allocated memory is still 267.4MB. Free memory was 231.3MB in the beginning and 227.6MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. 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. [2023-03-29 16:28:32,183 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...