This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:38,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:38,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:38,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:38,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:38,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:38,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:38,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:38,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:38,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:38,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:38,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:38,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:38,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:38,976 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:38,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:38,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:38,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:38,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:38,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:38,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:38,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:38,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:38,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:38,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:38,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:38,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:38,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:38,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:38,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:38,983 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:38,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:38,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:38,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:38,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:38,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:38,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:38,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:38,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:38,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:38,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:38,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:38,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:38,987 INFO L153 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:39,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:39,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:39,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:39,246 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:39,246 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:39,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-21 12:47:39,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:39,355 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:39,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-21 12:47:40,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:40,920 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:40,921 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-21 12:47:40,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3dddea39f/ef64f14e82294fe58b1351a8a213fc92/FLAG3bd75235f [2024-09-21 12:47:40,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3dddea39f/ef64f14e82294fe58b1351a8a213fc92 [2024-09-21 12:47:40,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:40,944 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:40,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:40,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:40,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:40,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:39" (1/2) ... [2024-09-21 12:47:40,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d685575 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:40, skipping insertion in model container [2024-09-21 12:47:40,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:39" (1/2) ... [2024-09-21 12:47:40,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@797f6569 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:40, skipping insertion in model container [2024-09-21 12:47:40,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:40" (2/2) ... [2024-09-21 12:47:40,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d685575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:40, skipping insertion in model container [2024-09-21 12:47:40,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:40" (2/2) ... [2024-09-21 12:47:40,969 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:40,970 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:40,970 INFO L1541 ArrayList]: Location invariant before [L72-L105] (((((((((((((((((((((((((((((((((((((((((((((((((((((89 == main__y) && (89 == main__x)) && (\old(__return_720) == __return_720)) || (((53 == main__y) && (53 == main__x)) && (\old(__return_720) == __return_720))) || (((71 == main__y) && (\old(__return_720) == __return_720)) && (71 == main__x))) || (((79 == main__x) && (79 == main__y)) && (\old(__return_720) == __return_720))) || (((88 == main__y) && (\old(__return_720) == __return_720)) && (88 == main__x))) || (((81 == main__y) && (\old(__return_720) == __return_720)) && (81 == main__x))) || (((100 == main__y) && (100 <= main__x)) && (\old(__return_720) == __return_720))) || (((65 == main__y) && (\old(__return_720) == __return_720)) && (65 == main__x))) || (((main__y == 50) && (main__x <= 50)) && (\old(__return_720) == __return_720))) || (((52 == main__y) && (\old(__return_720) == __return_720)) && (52 == main__x))) || (((74 == main__x) && (\old(__return_720) == __return_720)) && (74 == main__y))) || (((64 == main__x) && (64 == main__y)) && (\old(__return_720) == __return_720))) || (((\old(__return_720) == __return_720) && (main__x == 93)) && (main__y == 93))) || (((\old(__return_720) == __return_720) && (main__x == 80)) && (main__y == 80))) || (((main__y == 86) && (\old(__return_720) == __return_720)) && (main__x == 86))) || (((main__x == 96) && (main__y == 96)) && (\old(__return_720) == __return_720))) || (((87 == main__x) && (\old(__return_720) == __return_720)) && (87 == main__y))) || (((90 == main__x) && (\old(__return_720) == __return_720)) && (90 == main__y))) || (((\old(__return_720) == __return_720) && (92 == main__y)) && (92 == main__x))) || (((60 == main__x) && (60 == main__y)) && (\old(__return_720) == __return_720))) || (((63 == main__x) && (63 == main__y)) && (\old(__return_720) == __return_720))) || (((98 == main__x) && (98 == main__y)) && (\old(__return_720) == __return_720))) || (((59 == main__y) && (\old(__return_720) == __return_720)) && (59 == main__x))) || (((72 == main__x) && (72 == main__y)) && (\old(__return_720) == __return_720))) || (((85 == main__y) && (\old(__return_720) == __return_720)) && (85 == main__x))) || (((73 == main__x) && (\old(__return_720) == __return_720)) && (73 == main__y))) || (((97 == main__x) && (\old(__return_720) == __return_720)) && (97 == main__y))) || (((main__x == 83) && (\old(__return_720) == __return_720)) && (main__y == 83))) || (((main__y == 54) && (main__x == 54)) && (\old(__return_720) == __return_720))) || (((91 == main__y) && (91 == main__x)) && (\old(__return_720) == __return_720))) || (((main__x == 61) && (main__y == 61)) && (\old(__return_720) == __return_720))) || (((58 == main__y) && (\old(__return_720) == __return_720)) && (58 == main__x))) || (((69 == main__y) && (\old(__return_720) == __return_720)) && (69 == main__x))) || (((95 == main__y) && (\old(__return_720) == __return_720)) && (95 == main__x))) || (((56 == main__x) && (\old(__return_720) == __return_720)) && (56 == main__y))) || (((55 == main__x) && (\old(__return_720) == __return_720)) && (55 == main__y))) || (((main__x == 75) && (main__y == 75)) && (\old(__return_720) == __return_720))) || (((68 == main__x) && (\old(__return_720) == __return_720)) && (68 == main__y))) || (((\old(__return_720) == __return_720) && (57 == main__x)) && (57 == main__y))) || (((51 == main__y) && (51 == main__x)) && (\old(__return_720) == __return_720))) || (((66 == main__y) && (66 == main__x)) && (\old(__return_720) == __return_720))) || (((main__y == 99) && (main__x == 99)) && (\old(__return_720) == __return_720))) || (((84 == main__x) && (\old(__return_720) == __return_720)) && (84 == main__y))) || (((67 == main__x) && (67 == main__y)) && (\old(__return_720) == __return_720))) || (((62 == main__x) && (62 == main__y)) && (\old(__return_720) == __return_720))) || (((70 == main__x) && (\old(__return_720) == __return_720)) && (70 == main__y))) || (((94 == main__y) && (94 == main__x)) && (\old(__return_720) == __return_720))) || (((76 == main__y) && (76 == main__x)) && (\old(__return_720) == __return_720))) || (((78 == main__y) && (\old(__return_720) == __return_720)) && (78 == main__x))) || (((82 == main__x) && (\old(__return_720) == __return_720)) && (82 == main__y))) || (((\old(__return_720) == __return_720) && (77 == main__x)) && (77 == main__y))) [2024-09-21 12:47:40,970 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-21 12:47:40,970 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-21 12:47:40,971 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:40,971 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-21 12:47:40,971 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:40,971 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:40,971 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-21 12:47:40,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:41,203 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-21 12:47:41,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:41,232 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:41,257 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:41,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:41,347 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:41,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41 WrapperNode [2024-09-21 12:47:41,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:41,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:41,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:41,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:41,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,379 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,404 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-21 12:47:41,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:41,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:41,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:41,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:41,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (1/1) ... [2024-09-21 12:47:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:41,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:41,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:47:41,452 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:47:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:41,549 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:41,550 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:41,826 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:41,899 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:41,900 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:41,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:41 BoogieIcfgContainer [2024-09-21 12:47:41,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:41,902 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:41,903 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:41,903 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:41,904 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:39" (1/4) ... [2024-09-21 12:47:41,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b2f10e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:41, skipping insertion in model container [2024-09-21 12:47:41,905 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:40" (2/4) ... [2024-09-21 12:47:41,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b2f10e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:41, skipping insertion in model container [2024-09-21 12:47:41,905 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:41" (3/4) ... [2024-09-21 12:47:41,906 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b2f10e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:41, skipping insertion in model container [2024-09-21 12:47:41,906 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:41" (4/4) ... [2024-09-21 12:47:41,908 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-21 12:47:41,911 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:41,912 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-21 12:47:41,913 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-21 12:47:41,913 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-21 12:47:41,913 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-21 12:47:41,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-21 12:47:41,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-21 12:47:41,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:47:41,915 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-21 12:47:41,915 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-21 12:47:41,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:47:41,916 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:41,979 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 12:47:41,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:41,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:41,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:41,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:41,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,028 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-21 12:47:42,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,030 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:42,030 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:42,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:42,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:42,059 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:42,105 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-21 12:47:42,107 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:42,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:42,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:42,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:42,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,191 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-21 12:47:42,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:42,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:42,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:42,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:42,200 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:42,224 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-21 12:47:42,226 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:42,226 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:42,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:42,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:42,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,265 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-21 12:47:42,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:42,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:42,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:42,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:42,273 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:42,294 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-21 12:47:42,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:42,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:42,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:42,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:42,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,368 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-21 12:47:42,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:42,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:42,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:42,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:42,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:42,382 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:42,416 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-21 12:47:42,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:42,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:42,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:42,417 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:42,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:43,718 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-21 12:47:43,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:43,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:43,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:43,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:43,806 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:43,815 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-21 12:47:43,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:43,816 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:43,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:43,816 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:43,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:43,898 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-21 12:47:43,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:43,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:43,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:43,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:43,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:43,910 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:43,947 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:43,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:43,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:43,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:43,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:43,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:43,952 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:43,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:43,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:43,953 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:43,953 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:43,955 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:43,957 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:43,971 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-21 12:47:43,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:43,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:43,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:43,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:43,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:44,166 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-21 12:47:44,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:44,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:44,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:44,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:44,188 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:44,190 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:44,205 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-21 12:47:44,205 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:44,205 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:44,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:44,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:44,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:45,983 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-21 12:47:45,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:45,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:45,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:45,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:46,088 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:46,089 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-09-21 12:47:46,095 INFO L158 Benchmark]: Toolchain (without parser) took 5150.81ms. Allocated memory was 132.1MB in the beginning and 719.3MB in the end (delta: 587.2MB). Free memory was 61.7MB in the beginning and 461.6MB in the end (delta: -399.9MB). Peak memory consumption was 418.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:46,096 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:46,096 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 132.1MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:46,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.68ms. Allocated memory is still 132.1MB. Free memory was 61.4MB in the beginning and 93.4MB in the end (delta: -32.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-09-21 12:47:46,097 INFO L158 Benchmark]: Boogie Preprocessor took 75.18ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 90.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:46,098 INFO L158 Benchmark]: RCFGBuilder took 477.13ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 61.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:46,098 INFO L158 Benchmark]: Referee took 4191.48ms. Allocated memory was 132.1MB in the beginning and 719.3MB in the end (delta: 587.2MB). Free memory was 61.5MB in the beginning and 461.6MB in the end (delta: -400.0MB). Peak memory consumption was 418.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:46,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 132.1MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.68ms. Allocated memory is still 132.1MB. Free memory was 61.4MB in the beginning and 93.4MB in the end (delta: -32.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.18ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 90.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.13ms. Allocated memory is still 132.1MB. Free memory was 90.5MB in the beginning and 61.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Referee took 4191.48ms. Allocated memory was 132.1MB in the beginning and 719.3MB in the end (delta: 587.2MB). Free memory was 61.5MB in the beginning and 461.6MB in the end (delta: -400.0MB). Peak memory consumption was 418.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:46,132 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:48,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:48,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:47:48,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:48,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:48,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:48,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:48,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:48,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:48,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:48,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:48,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:48,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:48,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:48,484 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:48,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:48,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:48,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:48,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:48,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:48,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:48,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:48,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:48,488 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:47:48,489 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:47:48,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:48,489 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:47:48,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:48,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:48,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:48,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:48,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:48,492 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:48,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:48,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:48,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:48,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:48,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:48,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:48,494 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:47:48,494 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:47:48,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:48,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:48,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:48,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:48,495 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:47:48,495 INFO L153 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:48,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:48,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:48,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:48,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:48,846 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:48,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-21 12:47:50,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:50,549 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:50,552 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-21 12:47:50,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/394778185/ce5af9e13345499aadf6a8f46ed7673f/FLAGd049b713a [2024-09-21 12:47:50,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/394778185/ce5af9e13345499aadf6a8f46ed7673f [2024-09-21 12:47:50,952 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:50,954 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:50,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-21 12:47:51,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:51,027 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:51,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:51,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:51,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:51,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:50" (1/2) ... [2024-09-21 12:47:51,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae9fa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:51, skipping insertion in model container [2024-09-21 12:47:51,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:50" (1/2) ... [2024-09-21 12:47:51,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d583ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:51, skipping insertion in model container [2024-09-21 12:47:51,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:51" (2/2) ... [2024-09-21 12:47:51,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae9fa8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51, skipping insertion in model container [2024-09-21 12:47:51,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:51" (2/2) ... [2024-09-21 12:47:51,055 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:51,057 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:51,058 INFO L1541 ArrayList]: Location invariant before [L72-L105] (((((((((((((((((((((((((((((((((((((((((((((((((((((89 == main__y) && (89 == main__x)) && (\old(__return_720) == __return_720)) || (((53 == main__y) && (53 == main__x)) && (\old(__return_720) == __return_720))) || (((71 == main__y) && (\old(__return_720) == __return_720)) && (71 == main__x))) || (((79 == main__x) && (79 == main__y)) && (\old(__return_720) == __return_720))) || (((88 == main__y) && (\old(__return_720) == __return_720)) && (88 == main__x))) || (((81 == main__y) && (\old(__return_720) == __return_720)) && (81 == main__x))) || (((100 == main__y) && (100 <= main__x)) && (\old(__return_720) == __return_720))) || (((65 == main__y) && (\old(__return_720) == __return_720)) && (65 == main__x))) || (((main__y == 50) && (main__x <= 50)) && (\old(__return_720) == __return_720))) || (((52 == main__y) && (\old(__return_720) == __return_720)) && (52 == main__x))) || (((74 == main__x) && (\old(__return_720) == __return_720)) && (74 == main__y))) || (((64 == main__x) && (64 == main__y)) && (\old(__return_720) == __return_720))) || (((\old(__return_720) == __return_720) && (main__x == 93)) && (main__y == 93))) || (((\old(__return_720) == __return_720) && (main__x == 80)) && (main__y == 80))) || (((main__y == 86) && (\old(__return_720) == __return_720)) && (main__x == 86))) || (((main__x == 96) && (main__y == 96)) && (\old(__return_720) == __return_720))) || (((87 == main__x) && (\old(__return_720) == __return_720)) && (87 == main__y))) || (((90 == main__x) && (\old(__return_720) == __return_720)) && (90 == main__y))) || (((\old(__return_720) == __return_720) && (92 == main__y)) && (92 == main__x))) || (((60 == main__x) && (60 == main__y)) && (\old(__return_720) == __return_720))) || (((63 == main__x) && (63 == main__y)) && (\old(__return_720) == __return_720))) || (((98 == main__x) && (98 == main__y)) && (\old(__return_720) == __return_720))) || (((59 == main__y) && (\old(__return_720) == __return_720)) && (59 == main__x))) || (((72 == main__x) && (72 == main__y)) && (\old(__return_720) == __return_720))) || (((85 == main__y) && (\old(__return_720) == __return_720)) && (85 == main__x))) || (((73 == main__x) && (\old(__return_720) == __return_720)) && (73 == main__y))) || (((97 == main__x) && (\old(__return_720) == __return_720)) && (97 == main__y))) || (((main__x == 83) && (\old(__return_720) == __return_720)) && (main__y == 83))) || (((main__y == 54) && (main__x == 54)) && (\old(__return_720) == __return_720))) || (((91 == main__y) && (91 == main__x)) && (\old(__return_720) == __return_720))) || (((main__x == 61) && (main__y == 61)) && (\old(__return_720) == __return_720))) || (((58 == main__y) && (\old(__return_720) == __return_720)) && (58 == main__x))) || (((69 == main__y) && (\old(__return_720) == __return_720)) && (69 == main__x))) || (((95 == main__y) && (\old(__return_720) == __return_720)) && (95 == main__x))) || (((56 == main__x) && (\old(__return_720) == __return_720)) && (56 == main__y))) || (((55 == main__x) && (\old(__return_720) == __return_720)) && (55 == main__y))) || (((main__x == 75) && (main__y == 75)) && (\old(__return_720) == __return_720))) || (((68 == main__x) && (\old(__return_720) == __return_720)) && (68 == main__y))) || (((\old(__return_720) == __return_720) && (57 == main__x)) && (57 == main__y))) || (((51 == main__y) && (51 == main__x)) && (\old(__return_720) == __return_720))) || (((66 == main__y) && (66 == main__x)) && (\old(__return_720) == __return_720))) || (((main__y == 99) && (main__x == 99)) && (\old(__return_720) == __return_720))) || (((84 == main__x) && (\old(__return_720) == __return_720)) && (84 == main__y))) || (((67 == main__x) && (67 == main__y)) && (\old(__return_720) == __return_720))) || (((62 == main__x) && (62 == main__y)) && (\old(__return_720) == __return_720))) || (((70 == main__x) && (\old(__return_720) == __return_720)) && (70 == main__y))) || (((94 == main__y) && (94 == main__x)) && (\old(__return_720) == __return_720))) || (((76 == main__y) && (76 == main__x)) && (\old(__return_720) == __return_720))) || (((78 == main__y) && (\old(__return_720) == __return_720)) && (78 == main__x))) || (((82 == main__x) && (\old(__return_720) == __return_720)) && (82 == main__y))) || (((\old(__return_720) == __return_720) && (77 == main__x)) && (77 == main__y))) [2024-09-21 12:47:51,058 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:51,058 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-21 12:47:51,058 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-21 12:47:51,058 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:51,058 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-21 12:47:51,059 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-21 12:47:51,059 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-21 12:47:51,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:51,266 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-21 12:47:51,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:51,312 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:51,336 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:51,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:51,443 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:51,443 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51 WrapperNode [2024-09-21 12:47:51,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:51,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:51,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:51,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:51,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,478 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-21 12:47:51,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:51,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:51,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:51,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:51,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (1/1) ... [2024-09-21 12:47:51,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:51,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:47:51,530 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:47:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:47:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:47:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:47:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:51,649 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:51,652 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:52,086 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:52,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:52,172 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:52,173 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:52 BoogieIcfgContainer [2024-09-21 12:47:52,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:52,174 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:52,174 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:52,174 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:52,175 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:50" (1/4) ... [2024-09-21 12:47:52,175 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@253d5d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,175 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:51" (2/4) ... [2024-09-21 12:47:52,175 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@253d5d93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,176 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51" (3/4) ... [2024-09-21 12:47:52,176 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@253d5d93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,176 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:52" (4/4) ... [2024-09-21 12:47:52,178 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-21 12:47:52,182 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:52,183 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-21 12:47:52,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-21 12:47:52,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-21 12:47:52,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-21 12:47:52,185 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-21 12:47:52,185 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-21 12:47:52,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:47:52,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-21 12:47:52,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-21 12:47:52,187 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:47:52,187 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:52,242 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 12:47:52,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:52,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:52,244 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:52,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:52,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,294 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-21 12:47:52,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:52,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:52,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:52,301 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:52,317 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:52,359 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-21 12:47:52,359 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:52,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:52,360 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:52,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:52,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,468 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-21 12:47:52,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,469 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:52,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:52,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:52,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:52,483 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:52,516 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-21 12:47:52,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:52,517 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:52,517 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:52,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:52,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,554 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-21 12:47:52,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:52,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:52,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:52,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:52,559 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:52,581 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-21 12:47:52,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:52,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:52,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:52,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:52,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,700 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-21 12:47:52,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:52,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:52,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:52,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:52,711 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:52,746 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-21 12:47:52,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:52,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:52,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:52,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:52,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,128 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-21 12:47:55,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:55,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:55,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:55,238 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:55,257 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-21 12:47:55,258 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:55,258 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:55,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:55,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:55,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,379 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-21 12:47:55,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:55,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:55,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:55,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:55,391 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:55,403 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:55,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:55,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:55,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:55,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:55,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,425 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:55,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:55,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:55,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:55,431 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:55,437 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:55,452 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-21 12:47:55,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:55,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:55,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:55,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:55,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,668 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-21 12:47:55,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:55,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:55,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:55,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:55,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:55,691 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:55,715 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-21 12:47:55,716 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:55,716 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:55,716 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:55,716 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:55,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:58,959 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-21 12:47:58,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:58,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:58,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:58,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:59,158 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:59,160 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-09-21 12:47:59,164 INFO L158 Benchmark]: Toolchain (without parser) took 8136.50ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 40.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 549.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,165 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:59,165 INFO L158 Benchmark]: Witness Parser took 0.44ms. Allocated memory is still 71.3MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:59,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.86ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 44.6MB in the end (delta: -4.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,166 INFO L158 Benchmark]: Boogie Preprocessor took 55.83ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 41.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,167 INFO L158 Benchmark]: RCFGBuilder took 672.17ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 41.7MB in the beginning and 63.1MB in the end (delta: -21.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,168 INFO L158 Benchmark]: Referee took 6988.73ms. Allocated memory was 90.2MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 63.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 553.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.44ms. Allocated memory is still 71.3MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.86ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 44.6MB in the end (delta: -4.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.83ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 41.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.17ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 41.7MB in the beginning and 63.1MB in the end (delta: -21.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Referee took 6988.73ms. Allocated memory was 90.2MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 63.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 553.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:59,204 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...